Enamels: Vitreous Glass on Metal from Limoges to Faberge
Enamels are decorative objects created by fusing powdered glass (enamel) to a metal substrate -- typically copper, gold, silver, or bronze -- at temperatures between 1400 and 1500 degrees Fahrenheit. The resulting surface is hard, brilliant, and remarkably durable, capable of retaining vivid colors for centuries. Enamelwork has been practiced since antiquity, with major traditions including Byzantine cloisonne, medieval Limoges champlevé, Russian enamels, Chinese cloisonne, and the painted enamels of 18th-century Battersea and Bilston.
Major Techniques
- Cloisonne: Thin metal wires (cloisons) soldered to the base create cells filled with enamel; associated with Chinese, Japanese, and Byzantine work
- Champlevé: Cells are gouged or cast into the metal base, then filled with enamel; medieval Limoges is the prime example
- Painted enamel (Limoges): Enamel painted freehand over a metal base in multiple layers; 15th-16th century Limoges masters
- Basse-taille: Translucent enamel over engraved or engine-turned metal; used by Faberge
- Plique-a-jour: Translucent enamel without backing, creating a stained-glass effect; rare and delicate
- Guilloche: Enamel over machine-engraved patterns; Faberge's signature technique
- Battersea/Bilston: Transfer-printed enamels on copper boxes, 18th-century England
Types and Collecting Areas
| Category | Period | Notable Examples |
|---|---|---|
| Medieval Limoges | 12th-13th century | Champlevé reliquaries, book covers, croziers |
| Renaissance Limoges | 15th-16th century | Painted enamel plaques by Nardon Pénicaud, Leonard Limosin |
| Russian enamels | 18th-20th century | Faberge, Ovchinnikov, Khlebnikov cloisonne and guilloche |
| Chinese cloisonne | 15th century onward | Incense burners, vases, boxes |
| Japanese cloisonne | 19th century | Namikawa Yasuyuki, Namikawa Sosuke |
| Battersea/Bilston | 1750s-1790s | Snuff boxes, patch boxes, etuis |
| Art Nouveau | 1890s-1910s | Lalique, Falize, Feuillatre plique-a-jour |
Auction Price Ranges
| Item | Typical Price Range |
|---|---|
| Faberge guilloche enamel cigarette case | $10,000 - $50,000+ |
| Chinese cloisonne vase, 18th c., 12" | $2,000 - $10,000 |
| Bilston enamel patch box, 18th c. | $200 - $600 |
| Limoges painted enamel plaque, 16th c. | $3,000 - $15,000 |
| Japanese cloisonne vase, Meiji, 12" | $500 - $3,000 |
| Russian cloisonne enamel kovsh | $1,000 - $5,000 |
| Art Nouveau plique-a-jour brooch | $500 - $3,000 |
| Chinese cloisonne box, 19th c. | $100 - $400 |
Condition Factors
- Enamel loss: Missing enamel cells or flaked areas are the most common damage; difficult to restore invisibly
- Cracks in enamel: Hairline cracks may not be visible without magnification; affect structural integrity
- Dents: Dents in the metal base can cause enamel to pop off; even repaired dents leave traces
- Patina: Original patina on exposed metal areas is preferred; polishing removes character
- Repairs: Professional enamel restoration exists but is detectable under magnification
- Fire damage: Overheating during repair attempts can discolor or melt surrounding enamel
Collecting Tips
Enamels offer extraordinary diversity, from modest Bilston boxes at a few hundred dollars to Faberge masterpieces in six figures. Chinese cloisonne is the most widely available category and ranges from tourist-quality 20th-century production to rare Ming dynasty pieces worth tens of thousands. Japanese Meiji-period cloisonne by the Namikawa workshops represents the technical apex of the art. For European enamels, 18th-century Bilston and Battersea boxes are charming, affordable, and extensively documented. Faberge guilloche enamel remains the blue-chip investment category but requires authentication through recognized experts. Always handle enameled objects with care -- drops and impacts cause irreversible damage.