Modernist black gemstone sterling silver vintage tribal stud earrings hopi ring Stamped on the back by

Stamped on the back by the hook 925K in script

Austrian crystal Aurora borealis rainbow beaded vintage cluster clip on earrings

Pat number is stamped on the inside of the clip

Aquamarine 7

Brooch measures 1 and 1/4th of an inch wide and 1 and 3/8ths of an inch tall

Modernist black gemstone sterling silver vintage tribal stud earrings hopi ring Stamped on the back byModernist black gemstone sterling silver vintage tribal stud earrings. Good vintage condition with little signs of normal vintage wear. Abstract sterling silver base with oblong black faceted stone accents. Stamped with 925 on the reverse. Acid tests positive for sterling silver. Earrings measure 5 8ths of an inch wide.