Vintage Goldstone fan. 13 piece strand from 15mm on the edge to 29mm in the center.  Rounded bottom on front, flat on back.  2"x1-1/8" total overall measurement. Old stock from the 1970s.

Goldstone is a man-made glass containing tiny crystals of metallic copper creating a glittery gold  appearance. Goldstone is also known as aventurina glass, first developed in Venice in the 17th century.