This vintage 1957 Jostens class ring is crafted in 10k yellow gold and features black enamel detailing. The ring has the initials "MC" in black enamel and the ring shows a nice patina. Antique Yellow Gold Enamel Ring, Antique Enamel Rings For Formal Occasions, Antique Engraved Enamel Ring For Formal Occasions, Classic Enamel Hallmarked Rings, Vintage Black Enamel Ring For Anniversary, Vintage Yellow Gold Enamel Rings, Art Deco Yellow Gold Enamel Ring For Formal Occasions, Art Deco Formal Yellow Gold Enamel Ring, Formal Art Deco Yellow Gold Enamel Ring