COULD YOUR ARTWORK OR OBJECT BE BY LOUIS COMFORT TIFFANY?

Previously unknown works by important artists and designers continue to emerge from private collections, estates, inheritances, and long-held family possessions. While authentic works by Louis Comfort Tiffany may be rare, every object deserves to be evaluated on its own merits rather than dismissed simply because it is unfamiliar or undocumented.

If you believe your stained-glass window, lamp, Favrile glass object, painting, watercolor, drawing, mosaic, enamel, ceramic, metalwork, jewelry, furniture, or other decorative object may be by Louis Comfort Tiffany or associated with one of his studios, obtaining an independent professional opinion is the appropriate first step. Tiffany was one of the most versatile American artists and designers of his generation. Although he began his career as a painter, he became internationally renowned for stained glass and worked extensively in mosaics, enamels, metalwork, ceramics, jewelry, furniture, interior design, and blown Favrile glass.

We have specialized in the authentication of works attributed to Louis Comfort Tiffany since 2002. We issue Certificates of Authenticity (COAs), Authentication Reports, appraisals, valuations, provenance reports, and provide buying, selling, brokerage, and investment advisory services for collectors, attorneys, insurers, financial institutions, estates, museums, and private clients worldwide.

Getting started is straightforward. Simply send us photographs of the work or object together with its dimensions and any information you have regarding its history or ownership. After reviewing the material, we will recommend the most appropriate course of action.

AUTHENTICATION

Is this a Louis Comfort Tiffany?

From photographs of ordinary quality, we can often determine whether an object appears consistent with Tiffany’s work or whether it clearly does not. Attribution, however, requires more than visual resemblance because Tiffany’s production encompassed many different media and often involved specialized workshops, designers, craftspeople, and manufacturing operations. The Metropolitan Museum of Art’s holdings alone include windows, lamps, furniture, mosaics, blown Favrile glass, pottery, enamelwork, jewelry, and hundreds of design drawings associated with Tiffany and Tiffany Studios.

What services do you provide?

We provide authentication, certification, Certificates of Authenticity (COAs), Authentication Reports, appraisals and valuations, provenance research, private sales and brokerage, investment advice, and analytical art market research.

Is it possible to discover a previously unknown Louis Comfort Tiffany today?

Yes. Glass, paintings, drawings, lamps, architectural elements, jewelry, metalwork, ceramics, and other decorative objects can remain in private collections, estates, historic houses, and family possessions for generations without being widely documented. However, because the Tiffany name has also been widely reproduced, imitated, and commercially exploited, previously unknown objects require careful examination.

Do I need to get my Louis Comfort Tiffany authenticated?

Yes. Authentication is essential if you wish to sell your object for its full market value. It is also important for insurance, estate planning, charitable donations, financing, and many legal purposes.

Is it complicated to get a Louis Comfort Tiffany authenticated?

Not for you. Send us photographs of the complete object from all relevant angles together with close-ups of signatures, marks, labels, numbers, glass surfaces, solder lines, bases, fittings, hardware, patination, construction, and any other distinguishing details. For paintings and works on paper, include photographs of the front, reverse, support, inscriptions, labels, and framing or mounting. The investigation itself is our responsibility.

How long does it take to authenticate a Louis Comfort Tiffany?

It depends on the type of object and how much is already known about it. In the simplest cases, an initial determination may be possible within a couple of weeks. More complex cases involving workshop attribution, provenance research, technical examination, archival documentation, or scientific testing may require several months.

How much does it cost to authenticate a Louis Comfort Tiffany?

From the low hundreds to the high thousands. It depends on the category of object, the existing documentation, the location of relevant archives and comparative works, and whether travel or scientific testing is required.

Can a signature or mark alone prove that a Louis Comfort Tiffany object is authentic?

No. A signature, etched mark, stamped mark, paper label, or inscription cannot establish authenticity by itself. It must be evaluated together with the object’s materials, manufacturing technique, construction, design, dimensions, date, provenance, condition, and relationship to documented Tiffany production.

Can an unsigned Louis Comfort Tiffany object still be authentic?

Yes. The absence of a visible signature or mark does not by itself establish that an object is inauthentic. Materials, construction, design, workshop practices, provenance, labels, and other available evidence must be considered together.

What documents help authenticate a Louis Comfort Tiffany work?

Any document that mentions, describes, illustrates, commissions, sells, installs, or transfers the object may assist authentication. Historic photographs, invoices, architectural records, design drawings, dealer records, correspondence, exhibition catalogues, collection inventories, restoration reports, insurance documents, auction records, family papers, and records relating to Tiffany Studios or associated firms can all contribute valuable evidence.

Can a Louis Comfort Tiffany object be authenticated from photographs?

Yes. High-quality photographs are extremely useful for first-stage authentication and allow us to study glass type, color, surface, iridescence, leading, soldering, construction, patina, metalwork, hardware, signatures, labels, marks, and other characteristics remotely. For lamps, windows, furniture, and three-dimensional objects, photographs from multiple angles are particularly important. When additional evidence is required, we may recommend an in-person examination.

What is Favrile glass?

Favrile was the name associated with Tiffany’s celebrated art glass, particularly the iridescent blown glass developed at his furnaces in Corona, Queens. Tiffany established his own glassmaking operation there in the 1890s, and Favrile became known for its remarkable variety of colors, textures, shapes, and iridescent surfaces.

Are all Tiffany lamps personally made by Louis Comfort Tiffany?

No. Tiffany was the artistic director and designer behind a large commercial and artistic enterprise, and the production of lamps and other decorative objects involved workshops and numerous skilled employees. Authentication therefore may concern not only whether an object is related to Tiffany, but also its precise manufacturer, studio, designer, date, model, and relationship to documented production.

Why is construction important when authenticating a Tiffany lamp?

A genuine period Tiffany lamp must make sense not only aesthetically but physically. Glass selection, leading, soldering, shade construction, base design, bronze casting, patination, hardware, electrical fittings, marks, and the relationship between shade and base can all provide evidence. Later reproductions may imitate the overall appearance while differing materially in construction and workmanship.

Did Louis Comfort Tiffany also paint?

Yes. Tiffany began his professional career as a painter and continued painting throughout his life, even though decorative arts ultimately brought him his greatest fame. The Metropolitan Museum notes that painting remained part of his practice while he pursued stained glass, interiors, mosaics, ceramics, metalwork, enamel, jewelry, and other media.

Did Louis Comfort Tiffany make jewelry?

Yes. Jewelry became an important area of Tiffany’s work, particularly after 1902. His jewelry frequently emphasized color, unusual stones, enameling, organic forms, and natural motifs rather than simply the intrinsic value of precious gemstones. The Metropolitan Museum documents necklaces and brooches designed by Tiffany and manufactured by Tiffany & Co.

Is Tiffany Studios the same as Tiffany & Co.?

No. Louis Comfort Tiffany was the son of Charles Lewis Tiffany, founder of Tiffany & Co., but Louis developed his own artistic and decorative-arts enterprises. Tiffany Studios, founded in the early twentieth century, became associated with stained glass, lamps, metalwork, and other decorative arts, while Tiffany & Co. was the jewelry and silver firm established by his father. Louis later designed jewelry that was manufactured by Tiffany & Co.

Is it always necessary to perform scientific analyses of a Louis Comfort Tiffany object?

No. Many works can initially be evaluated through provenance research, archival documentation, technical examination, design comparison, and study of manufacturing methods. Scientific analysis of glass composition, pigments, metals, patinas, ceramics, enamels, adhesives, paper, or other materials may be appropriate when questions remain concerning age or composition.

What if my Louis Comfort Tiffany has no provenance?

Incomplete provenance does not automatically mean that an object is inauthentic. However, provenance can be especially useful with Tiffany because many objects were sold through identifiable firms, exhibited, commissioned for particular interiors, or retained in historic collections. When provenance is incomplete, technical examination and comparison with documented production become even more important.

Why is attribution complicated with Louis Comfort Tiffany?

The Tiffany enterprise involved multiple companies, workshops, designers, artisans, and changing business structures over several decades. Objects can therefore be described in different ways, including designed by Louis Comfort Tiffany, made by Tiffany Studios, produced by an earlier Tiffany firm, manufactured by Tiffany & Co., or merely made in the Tiffany style. Establishing the precise attribution is essential for both scholarship and value.

Do you issue Certificates of Authenticity for Louis Comfort Tiffany works?

Yes. Upon completion of our authentication process, when the evidence supports attribution, we issue a Certificate of Authenticity (COA) together with a detailed and fully referenced Authentication Report.

APPRAISALS & VALUATIONS

How much is my Louis Comfort Tiffany worth?

We will appraise your object and determine its value. Exact attribution, type of object, date, model, materials, dimensions, condition, provenance, rarity, design quality, marks, exhibition history, and current market demand are important valuation factors. A major leaded-glass lamp, architectural window, Favrile vase, painting, piece of jewelry, or later Tiffany-associated decorative object belongs to a very different market category and must be valued accordingly.

SELLING

Can you sell my Louis Comfort Tiffany for me?

Yes. We specialize in private sales but use every appropriate selling method to obtain the highest possible net price. We manage the process professionally, confidentially, and on your behalf.

Do I need an appraisal before selling my Louis Comfort Tiffany?

Yes. Your object should be priced correctly for its precise category, attribution, condition, market, and method of sale. An independent appraisal helps prevent both underpricing and overpricing.

Do I need authentication before selling my Louis Comfort Tiffany?

Yes. Precise attribution can have an enormous effect on value. An authentic Tiffany Studios lamp or Louis Comfort Tiffany-designed object occupies a fundamentally different market position from a later reproduction or an object merely described as “Tiffany style.”

Can you help me maximize the selling price of my Louis Comfort Tiffany?

Yes. Authentication, provenance, precise attribution, condition, documentation, valuation, timing, presentation, and the chosen sales method can all influence the final result. We also provide collection management advice designed to maximize value.

Should I restore my Louis Comfort Tiffany before selling it?

Usually not. Original patina, solder, leading, glass, hardware, labels, surface finishes, and other physical characteristics may contain important evidence for authentication and condition assessment. We generally recommend having the object evaluated before cleaning, rewiring, polishing, replacing glass, resoldering, repatinating, or undertaking other restoration.

How long does it take to sell a Louis Comfort Tiffany?

Higher-value Tiffany objects generally require more preparation. Authentication, precise attribution, provenance research, condition assessment, valuation, and selection of the appropriate market should normally be completed first.

BUYING & ADVISORY

Should I buy a Louis Comfort Tiffany?

If you appreciate Tiffany’s work, certainly. If your primary objective is investment, we can evaluate the proposed acquisition and alternative opportunities.

Can you review a Louis Comfort Tiffany before I buy it?

Yes. We provide independent pre-purchase research and analysis for collectors and investors. We also prepare predictive art market forecasts and Buy-Hold-Sell recommendations.

What should I check before buying a Louis Comfort Tiffany?

Three fundamental questions should always be answered: Is it authentic? What is its condition? Is the price reasonable? You should also establish the precise maker or manufacturer, date, model, materials, dimensions, marks, construction, provenance, restoration history, and relationship to documented Tiffany production. For lamps, the compatibility of the shade and base should also be investigated rather than assuming that two genuine components necessarily originated together.

How can I avoid buying a fake Louis Comfort Tiffany?

Call us before you buy. Do not rely solely on a Tiffany signature, stamped mark, paper label, iridescent glass surface, floral design, or seller attribution. Tiffany-style lamps and glass have been reproduced extensively. Independent examination of materials, construction, marks, provenance, design, and manufacturing characteristics can substantially reduce the risk of acquiring a reproduction, altered object, composite piece, or misattributed work.

Can you advise me on building a collection?

Yes. We advise collectors on the financial aspects of acquisition, ownership, collection management, and eventual sale.

REQUEST A LOUIS COMFORT TIFFANY AUTHENTICATION OR APPRAISAL

Whether you require authentication, a Certificate of Authenticity, an appraisal, valuation, provenance research, buying advice, selling assistance, brokerage, or investment guidance regarding a work or object attributed to Louis Comfort Tiffany, our specialists are available to assist.

Complete the contact form below or call us at +1 (212) 658-0466 to discuss your work with one of our experts.