Sterling SILVER Stamped Cameo Filigree Pendant

A beautiful antiquated lady cameo pendant necklace. Pendant is stamped 925 and looks like it has a hallmark logo I can't read. Chain is stamped 925 and may be gold plated bc of goldish color. Has an ivory look set in green resin, I believe it is cast resin. Floral filigree classical design. May be vintage; from estate sale. Preowned condition, patina/wear present and spotting on lady. Classic wedding fancy formal elegant bust pretty beautiful cocktail Victorian style birthday gift M