Vintage Cameo Carved Shell Pin or Necklace Rare Left Facing filigree Design

Vintage Cameo Carved Shell Pin or Necklace Rare Left Facing filigree Design Approx. 1970's! Marked: GF (Gold Filled) Other marked rubbed off Minor Separation from Filigree, no cracks or chips to shell. Pre-owned Condition - Very Good Size: Approx. 1 1/4" Tall by 1" Wide Maker/Designer: Unknown Metal- GF Yellow Stamped- GF Solid/hollow- Solid with open Filigree Style Pin Could be used as a Brooch or Necklace - Chain not included