By the editors · Reviewed by our specialists · Last updated juli 2026
Theodor Fahrner is the German factory brand from Pforzheim that bridges Art Nouveau and Art Deco in the vintage market. The house produced in series but worked with leading designers and used quality materials — a combination that sets its work apart from generic mass-produced items from the same city. This editorial guide describes, at a pattern level, what the auction market considers. The brand name is used as text only.
Theodor Fahrner Sr. founded a jewellery factory in Pforzheim in 1855; under Theodor Fahrner Jr., the house became one of the most important German producers of Art Nouveau jewellery in the early twentieth century. The house collaborated with renowned Art Nouveau designers and later with Art Deco designers.
Work from this house forms a bridge for Dutch collectors to the Art Nouveau/Jugendstil and Art Deco periods and regularly appears on the Dutch auction market.
Art Nouveau work from the early twentieth century and Art Deco pieces from the interwar period are the most collected categories. Later post-war production is consistently lower in value.
Work resulting from collaborations with leading Art Nouveau and Art Deco designers is valued higher than generic factory brands. Names are documented at a pattern level in specialist publications; verification is done through these publications or through an appraiser with specific experience in Pforzheim work.
The house worked extensively with silver, combined with semi-precious gemstones (marcasite, coral, chrysoprase) and enamel work. The quality of the enamel work and the completeness of the stones are independent factors.
Enamel work is the most fragile factor in Art Nouveau jewellery from this house. Cracks, chips, or later restoration in the enamel directly affect the value. Original complete enamel surfaces are consistently higher in value.
Standard factory brand without attribution to a known designer.
Highly dependent on the condition of the enamel and recognition of the design.
Rare documentable pieces by leading designers.
Indicative ranges based on public auction results. Actual value requires appraisal of the piece itself by an independent appraiser.
Voor gesigneerde stukken loont onafhankelijke beoordeling altijd — zowel voor verificatie van authenticiteit als voor een realistische waardebepaling. Wij bemiddelen niet en zijn geen taxateur; ons gratis advies op foto is een startpunt dat je met een paar beelden kunt aanvragen, waarna we je doorverwijzen naar geschikte specialisten en veilinghuizen in ons netwerk.
Vraag gratis advies →Work typically bears a factory mark in combination with a fineness mark. We describe this at a pattern level only; for exact identification, a specialised publication or appraiser is needed.
Very. Enamel is the most fragile factor; cracks, chips, or later restoration directly affect the value. Store pieces with enamel work in soft, individual packaging and avoid harsh transport.
Both periods are collected, with their own price levels. Art Nouveau with characteristic enamel work and a documented designer's name is consistently high on average; Art Deco pieces differ technically in execution.
No, unsigned Art Nouveau work of good quality has its own collector's markets. Just not attributed to this specific house.
Prijsranges zijn een startpunt; wat je precies in handen hebt bepaalt de bandbreedte. Stuur foto's en een korte beschrijving, dan bekijkt een specialist wat het is en adviseert binnen twee werkdagen over een logische vervolgroute.
Independent advice about what you have and your options — not a purchase offer, not a formal appraisal.