UNDRILLED SPECIMEN CRYSTAL OPAL, Diamond & Gold Stick Pin

UNDRILLED SPECIMEN CRYSTAL OPAL, Diamond & Gold Stick Pin, 18 & 14k.
American Art Nouveau, circa : 1910

Opal : Translucent with good color-play, bi-convex undrilled oval, 8 x 6.5 mm
Diamond : Old Mine double cut, .02 carat
Gold tested : 18k green gold, on 14k rose gold pin stem
Overall Length : 3”
Gross Weight : .087 troy ounce
Collector's inventory number on back : 8015
# 30065 b .....................................................................SOLD