The woman who designed the Tiffany lamp, and how to tell a real one from a Tiffany style one

By Matthew Partsch · Owl and Twig Vintage · September 17, 2026

Every estate sale in Michigan has one. A domed shade of colored glass in a web of solder, sitting on a dark metal base, and somebody in the room saying the word Tiffany out loud. Nine times in ten the lamp was made in the last fifty years and is worth about what a nice dinner costs. The tenth time it is something older, and the interesting part is that it still may not be a Tiffany. It may be better than the room thinks.

What Tiffany style actually means

Tiffany style describes a look: small pieces of colored glass, each wrapped at the edge and soldered to its neighbors, formed into a shade that sits over a bulb. The phrase carries no claim about who made the lamp, when, or where. A shade cut in Yorkville, New York last spring and a shade cut in Corona, Queens in 1906 can both be called Tiffany style and both descriptions are accurate.

The original firm is easy to mix up with the jewelry store, and the mix-up matters at a sale. Louis Comfort Tiffany was the son of Charles Lewis Tiffany, who founded Tiffany and Company. The son built his own separate businesses in glass and decoration. The Corning Museum of Glass keeps the corporate chronology, and it runs like this: Louis C. Tiffany and Company formed in June 1878; the Tiffany Glass Company incorporated on December 1, 1885; reorganized as the Tiffany Glass and Decorating Company on February 18, 1892; the Allied Arts Company incorporated in 1900 and began marketing its work under the name Tiffany Studios; Tiffany Studios itself incorporated on February 25, 1902, and consolidated with Allied Arts that November 18. Tiffany Studios filed for bankruptcy on April 16, 1932. Louis Comfort Tiffany died on January 17, 1933.

Those dates do real work at a flea market table. The words TIFFANY STUDIOS could not have been stamped into a lamp base before 1900, because the name did not exist before then, and the firm stopped making lamps in the early 1930s. Dealers who handle the category place the base stamp in use from about 1900 to 1928. So a genuine mark gives a window of roughly three decades and refuses to narrow further. Everything finer than that comes from the shade pattern, the glass and the base model.

This is the same problem the Nippon and Occupied Japan marks pose from the other direction. A mark can tell you a span. It cannot tell you a year, and it cannot tell you the truth if somebody added it later.

Who designed the original lamps

For most of the twentieth century the answer was Louis Comfort Tiffany, and the company itself supplied that answer. The Morse Museum notes that Tiffany Studios advertised everything it produced with a single uniform line: under the supervision of Mr. Louis C. Tiffany. The phrase was accurate. It was also a door closed on about fifty people.

Tiffany opened a Women's Glass Cutting Department at the Corona glasshouse in 1892, beginning with six women. By 1894 there were thirty-five. By 1897 the Morse Museum counts between forty and fifty women in the glass workshop. The department cut the Story of the Cross window for the 1893 chapel at the World's Columbian Exposition in Chicago and the Four Seasons window for the 1900 Paris Exposition Universelle. It also, on the evidence that surfaced eighty years later, designed the lamps.

Clara Wolcott Driscoll, born in Tallmadge, Ohio on December 15, 1861, came to New York in 1888 and went to work for Tiffany the same year. Company rules barred married women from employment, so her career ran in pieces: she left on marrying in 1889, returned a widow in 1892, and left for good in 1909 when she married Edward A. Booth. She died on November 6, 1944, and for six decades afterward nobody outside her family knew what she had done.

In 2005 the researcher Nina Gray, working at the Queens Historical Society, was handed two books and several boxes of letters. More turned up at the Kent State University library. Driscoll had written home in enormous detail, week by week, about what her department was designing and making. Martin Eidelberg, Nina Gray and Margaret K. Hofer built the exhibition A New Light on Tiffany: Clara Driscoll and the Tiffany Girls around them, and it opened at the New-York Historical Society on November 27, 2006.

The letters credit Driscoll with the Dragonfly, the Wisteria, the Peony and the Daffodil, which she described as her first. Reference works now put her total above thirty lamp designs. The Morse Museum states that her Dragonfly and Water shade took a medal at the 1900 Paris world's fair — a prize collected, at the time, by the firm.

How a real shade was actually built

The Neustadt Collection of Tiffany Glass, which holds the surviving glass archive from the Corona factory, documents the method. A design was approved, then a wooden mold was made in the shape of the finished shade and the pattern was inscribed onto it. A selector went to the glass racks and chose individual pieces from large sheets that varied in color, shading and opacity. A cutter scored each piece with a diamond or wheel tool and shaped it with groziers, soft-tipped pliers that nibble the edge.

Each piece was then wrapped at the edge with a thin strip of copper foil, overlapped slightly front and back, set onto the wooden form and soldered to its neighbors with a hot iron. The shade was soldered on the outside, turned over and soldered on the inside, and a brass ring was soldered to the bottom edge to hold its shape. Last came the patina, bronze or gold, brushed over the silver solder lines.

A shade passed through roughly a dozen pairs of hands. The selection step is the reason no two are identical. Every sheet of Tiffany glass differs from every other sheet, and a person stood at the rack choosing. Two shades of the same pattern, made the same month, differ in every piece.

That fact is the practical test at the heart of this guide. A Tiffany Studios shade looks composed. The glass inside one petal changes color across the petal because the sheet did. Modern shades are cut from uniform machine-rolled stock, so a modern petal is one flat color from edge to edge, and eight petals around the shade are eight copies of each other.

How to tell a real one in hand

Run these in order. The first three take about twenty seconds and settle most lamps.

• Pick up the base. Tiffany Studios bases are cast in a copper, zinc and tin bronze alloy and are heavy out of all proportion to their size. A base you can lift with two fingers is a modern lamp. Spun brass, brass-plated steel and white pot metal all rule it out. Our brass identification guide covers the magnet and weight checks that separate solid metal from plating.
• Look at one petal, then the petal next to it. Color should shift within a single piece and differ between neighboring pieces of the same element. Uniform, repeating color across a pattern means machine-rolled glass.
• Find a seam. Run a fingernail across the shade from the inside. A leaded shade has hundreds of separate pieces with solder ridges between them and glass that is cool and hard. A cast resin shade — sold by the thousand — has a continuous surface, a faint mold line, and lead lines that are molded rather than soldered.
• Check the solder lines for a plating shine. Authentic shades are patinated over solder and very rarely plated. A bright, even metallic finish over every line is a manufacturing shortcut.
• Look at the bottom inner rim of the shade. If a Tiffany Studios mark is present it is stamped into the metal there, in capitals, sometimes with a model number to the right. Mixed upper and lower case lettering is wrong.
• Look at the bottom plate of the base. The mark reads TIFFANY STUDIOS NEW YORK in capitals with a model number below it, impressed into the metal.
• Ask whether the shade and base belong together. Tiffany sold them separately and collectors match them on model, height, socket count, patina and shared design motifs. A married pair is common and legitimate; it changes the price.
• Count the sockets and look at the hardware. Period sockets, heat caps and finials are heavy and consistent with the base. Modern plastic sockets and a hardware-store harp are a rewire at best.

Why the signature settles nothing

Heritage Auctions puts the position plainly: a Tiffany Studios mark does not guarantee authenticity, because some reproductions carry the mark, and some authentic lamps carry none. Marks have been added to imitations both during manufacture and long afterward, and the trade has been dealing with convincing reproductions for more than half a century.

The evidence for how far this goes is unusually good, because Winterthur Museum put fakes from the Neustadt Collection through laboratory analysis for its exhibition Treasures on Trial: The Art and Science of Detecting Fakes. Two forms were examined, a Grape library lamp with a bronze base and a Dragonfly shade, both dated between 1975 and 2000 and unattributed to any maker.

The chemistry separated them cleanly. Genuine Tiffany glass contains lead and arsenic in most colors; no lead was found in any of the glass in the fakes. Authentic solder is a lead and tin alloy that also carries arsenic; the forgeries used a zinc and tin alloy. Authentic bases are a copper, zinc, tin and bronze alloy; some forgeries used a copper and tin alloy. Winterthur's team also weighed the ordinary visual evidence — variety and texture in the glass, quality of soldering, quality of the bronze casting, the surface patina, and the near-absence of plating on authentic shades.

Read that list for what it implies about the field. The tests that finally settled these lamps were performed on a laboratory bench. Nothing on that bench is available at an estate sale. So the checks in the previous section are about pattern, glass and construction, and the stamp is treated as the last piece of evidence rather than the first.

The look-alikes worth real money

Tiffany had competitors of real quality, and their lamps get dismissed as Tiffany style by people who only know the one name. This is where money is left on tables.

Handel. Philip J. Handel founded the Handel Company in Connecticut in 1885 and opened a New York showroom in 1890; by 1902 the firm was making its own bases. Handel is best known for reverse-painted shades — scenes painted on the inside of a blown glass dome — and sold itself at the time as a less expensive alternative to Tiffany Studios. Most authentic painted Handel shades are signed in dark felt pen around the bottom of the inside of the shade, which is an odd place to look and is missed constantly. Handel also made leaded glass lamps, and its mosaic lamps were rarely marked at all.

Duffner and Kimberly. A New York firm working between roughly 1905 and 1911, and the closest competitor in leaded work. An Antiques Roadshow appraiser assessed a Duffner and Kimberly leaded table lamp with a gilt bronze spider web base at $15,000 to $20,000 at auction in 2011, and described the firm as comparable to Tiffany in metalwork and glass.

Bradley and Hubbard, Pairpoint, Wilkinson, Suess. All period American makers of leaded or reverse-painted shades. Prices run well below Tiffany and well above anything modern. Bradley and Hubbard marked most of its output; Pairpoint shades are usually signed on the lower rim.

The pattern here repeats across collecting. The famous name absorbs the attention and the second-tier makers get filed as imitations, when they were contemporaries selling into the same rooms. Our Brad Keeler and Maddux comparison is the same argument in California pottery.

The look-alikes that are not old at all

The modern Tiffany style industry is large, legitimate and openly labeled, and its products are the great majority of what turns up at sales.

Meyda. Founded in 1974, when Meyer Cohen built a stained glass window for his wife Ida so their kitchen would not look at the neighbor's vintage cars; the couple's names make the brand. The company moved to Yorkville, New York in 1994 and marked fifty years in 2024. Meyda builds with the same copper foil method, using hand-cut and hand-soldered stained glass, and describes its output as Tiffany reproductions and Meyda originals. One of its shades is quoted at nearly two thousand individually selected pieces. These are good lamps, made in the open, and nobody at Meyda pretends otherwise.

Dale Tiffany and Quoizel. Both produce large Tiffany style ranges. Both are current retail brands with current retail prices.

Imported cast shades. At the bottom of the market are shades that are not leaded at all — resin or plastic castings with molded lines, printed or painted color, and a light metal base. They photograph convincingly and fail the fingernail test in a second.

A modern Tiffany style lamp is a decorating object and should be bought on whether the colors work in the room. Dating one is a losing game; the Wisteria pattern has been reproduced continuously for a century, and a version of it has been sold in home improvement stores. The Moon and Star glass guide covers the same trap in pressed glass, where reproductions from the 1970s now have fifty years of honest age on them and still are not the old thing.

What these lamps actually sell for

The spread in this category is wider than in any other kind of lighting we cover, so the table below is split by what the object actually is. Realized prices are marked as such; everything else is an asking price.

Lamp	Price	Kind of number
Tiffany Studios boudoir lamp	$1,380	Realized, Fontaine's
Tiffany Studios Favrile glass table lamp	$2,500	Realized, Fontaine's
Tiffany Studios student lamp, blue Damascene shade	$4,025	Realized, Fontaine's
Tiffany Studios 16-inch Pomegranate table lamp	$13,800	Realized, Fontaine's
Duffner and Kimberly leaded table lamp, spider web base	$15,000–$20,000	Auction estimate, 2011
Handel Jungle Birds reverse-painted lamp	$15,000–$20,000 in 2004, revalued to $8,000–$10,000 in 2019	Retail appraisal
Tiffany Studios Peony table lamp	$75,000	Realized, Fontaine's, February 7, 2026
Tiffany Studios Drophead Dragonfly table lamp, c. 1910	$107,550	Realized, Fontaine's, February 7, 2026
Tiffany Studios Lotus table lamp, c. 1910	$118,750	Realized, Fontaine's, February 7, 2026
Tiffany Glass and Decorating Moorish chandelier, c. 1892	$500,000	Realized, Fontaine's, February 7, 2026
Tiffany Studios Pink Lotus lamp	$2,807,500	Realized, Christie's, December 1997
Tiffany Studios Pond Lily lamp, c. 1903	$3,372,500	Realized, Christie's, December 13, 2018 — the record
Modern Tiffany style table lamps	$75.99–$282.00	Asking, marketplace, September 2026

Two things in that table deserve a second look. The first is the bottom of the Tiffany Studios market: a boudoir lamp at $1,380 and a Favrile shade on a base at $2,500 mean the entry point to a genuine Tiffany is a few thousand dollars, not a few hundred thousand. The second is the Handel line. The same lamp appraised at $15,000 to $20,000 retail in 2004 was revalued at $8,000 to $10,000 in 2019. Reverse-painted lamps fell by roughly half in fifteen years while leaded Tiffany rose. Nothing about a collecting category is permanent, and the Emeralite banker's lamp market has moved the same way for the same reason — the decorating fashion that carried it moved on.

At the modern end, a marketplace search for used Tiffany lamps returns more than fifteen thousand live results, essentially all of them described by their own sellers as Tiffany style, asking between about $76 and $282. Supply at that level is effectively unlimited, so condition and pattern decide the price and rarity does not enter into it.

What we verified, and what sellers told us

Verified from institutional or primary sources. The corporate chronology and every date in it comes from the Corning Museum of Glass. The Women's Glass Cutting Department founding in 1892, its growth to thirty-five women by 1894 and forty to fifty by 1897, the Columbian Exposition and Paris Exposition commissions, the uniform advertising line about supervision, and the 1900 Paris medal for the Dragonfly and Water shade come from the Morse Museum. Clara Driscoll's dates, employment history and the circumstances of her departures, along with the 1903 union settlement capping her department at twenty-seven women, come from the New-York Historical Society and the Cleveland Museum of Art. The discovery of the letters by Nina Gray at the Queens Historical Society, the additional material at Kent State, and the exhibition opening on November 27, 2006 are documented by the same institutions. The shade-making process comes from the Neustadt Collection. The fake analysis — no lead in the glass, zinc and tin solder, copper and tin bases, dating between 1975 and 2000 — comes from Winterthur Museum. The Fontaine's and Christie's figures are published realized prices including buyer's premium.

Reported, and labeled as such. The claim that Driscoll earned $10,000 a year and was among the best-paid women in America is repeated everywhere and traces to a 2002 book rather than to a payroll document we could examine; what the institutions state is narrower, that Tiffany paid unmarried women on the same scale as unmarried men, which was itself unusual. The base stamp date range of about 1900 to 1928 is dealer practice rather than a company record. Marketplace asking prices and the fifteen-thousand-listing count are sellers' own descriptions, gathered in September 2026, and the lamps behind them were not inspected.

Unresolved. One dealer price guide dates the Pink Lotus sale to 1998 while contemporaneous news reporting puts it in December 1997 at $2,807,500 against an estimate of $2.5 to $3.5 million; we have followed the news reporting. The attributions of specific lamp designs to Driscoll rest on her own letters and on scholarship, and institutions phrase several of them as probable. No Tiffany lamp is signed by its designer, so no attribution in this field is provable in the way a signature would be.

The name on the base

Stamped into the bottom plate of a genuine lamp are three words that name a company, a city, and a man who approved the design and owned the building. Cut into the shade above it are several hundred pieces of glass that a woman in Corona chose one at a time from a rack, and a dozen more people wrapped, soldered and patinated. The lamp is called by his name. It was drawn by hers, and the proof of that sat in a box at a historical society in Queens for sixty years.

Which is the right frame for the whole category. The mark on a lamp is a claim about ownership. Everything you actually want to know — who made it, when, how well, and whether it is what the seller says — lives in the glass. Learn to read one petal and you rarely need the stamp.

More from the Lighting drawer: the vintage TV lamp guide, the fairy lamp collector's guide, and the lava lamp value guide. Or browse the whole shelf at Field Guides.