Vintage Faux Tortoise Hair Pin with Red Rhinestones 1920s

ERA: True vintage item from the 1920s, maybe earlier
MEASUREMENTS: 3-1/2 inches long, 1-5/8 inches wide at the top.
MATERIAL: celluloid, rhinestones
LABEL: unmarked
Vintage faux tortoiseshell, two pronged hair fork, with a curved red top embellished with red rhinestone. Hair prong, or chignon pin.
CONDITION: The pin is in very good to excellent condition, minor wear.