You are viewing a fine quality 14K yellow gold Art Deco man's signet ring made in the 1930's. The ring measures 18mm or 3/4" long by 24mm. It is set with a high polished Black Onyx stone. The ring has an embedded maker's mark and 14K. It is a size 9 3/4 and can be re-sized. The ring weighs 16.4 grams.