Vintage Judith Jack sterling silver, marcasite and black onyx drop earrings. This dramatic pair of Art Deco style earrings by Judith Jack feature black onyx set into sterling silver. Each earring is articulated in two places, and each has a button style top, with a long narrow triangular shaped piece in the middle, and an onyx and sterling ball on the bottom. The silver is completely encrusted with marcasite stones. They measure 2.25 inches, and are approximately .5 inches wide on the bottom. They are for pierced ears, and have had the earring clutches replaced with new, larger sterling clutches. Each earring is marked sterling, along with the Judith Jack logo. They are in excellent condition!