Zig Zag lightening bolt vintage sterling silver signed stud earrings. good used condition with little to no signs of normal wear. Stamped on the back 925 with an unidentified hallmark. All post earrings come with new sterling silver earring backings. 

Acid tests positive for sterling silver. 

Earrings measure 1/2 of an inch wide and 7/8ths of an inch tall.