Antique 10k Gold Angel Skin Coral Cameo Stickpin

Antique 10k yellow gold angel skin coral cameo stick pin.
Good condition with typical signs of age and wear.
Measures 2.35” long.
Top measures 17.5mm x 13mm
Cameo approx 14mm x 10mm
Weighs 1.82 grams
Hallmark: 10k
Makers mark: Partially cutoff, but appears to read GI PCO