Antique 1920's Carved Black Celluloid Cameo Pin

Vintage/Antique Victorian / Art Deco style Black Celluloid Cameo Mourning Pin from the early 20th century. It's made of a rare type of plastic - Celluloid. It's one of the oldest type of plastic made. It dates back to the 20s or 30s. The pin is a lightweight, solid jet black cameo style face of a woman. It is 1-3/4 in tall x 1-1/4 in wide I added photos to show without reflections. P-055