Antique Victorian beetle tie pin in 18K. Gold, pearl & amethyst. Late 19. Century

Antique Victorian beetle tie pin in 18K. Gold, pearl & amethyst. Late 19. Century Pin in gold with head shaped like a beetle, with body of genuine cultured pearl and amethyst eyes. Total weight: 1.9 g. Measurements: approx. 7x1,2 cm. Condition: Appears unmarked, but has been acid tested, otherwise see photos.