Vintage Unisex Art Deco 1925 Gold and Silver Signet Ring Initials. Stunning unisex Art Deco signet ring, massive and of very high quality, typical of the Art Deco style. It is made of solid silver and features initials inlaid in 18-carat rose gold. The silver and rose gold have been tested with the appropriate acid to confirm their composition. This unisex ring is designed for a small finger, size 51.5 (FR), which is approximately 16.4 mm in inner diameter. Its weight is 11 grams. The initials engraved on the rectangular plate form a distinctive pattern. Condition: Used: Item has been worn. Potential imperfections. Type: Signet Ring Dominant Color: Silver Dominant Stone: None. Brand: Signet, Art Deco. Country of Origin: France Size: 51.5 Material: N Metal: Silver, Sterling and rose gold, 18 carats Ring Shape: Signet.