More to explore:
Antique Vintage Yellow Gold Shell Cameo Stick Pin
Antique Reverse Glass Cameo Stick or Hat Pin by onetime on Etsy, $4.25
Antique Cameo - Lady with Hat pendant or stick pin
Antique Stick Pin Hat Pin Reversed carved Cameo
6 Antique style hat pins with vintage and ♥ by MarysForeverMemories, $30.00
Vintage Shell Cameo Portrait Brooch
Top: Cameo 7 1/2" bracelet in Cornelian Sardonyx 18k, circa 1840/1850, Italy. Bottom: Cameo Brooch in Sardonyx Shell, 18k gold, 2 3/8"x2", circa 1840.1850, Italy. Go to link for detailed photos.
Antique Hand Painted Miniature Brooch 14 Karat Gold And Seed Pearls Lady Figural By Silverman Corp. $895.00, via Etsy.
Stick Pins - I had quite a few. :)
Vintage Heart Stick Pin