Antique perfume scent bottle glass overlay sterling silver 999 fine pos American

A beautiful antique perfume bottle with fine 999 silver overlay in a floral design. This has a chip to the base of the inner stopper, not visible when the stopper is in, commensurate with age and mentioned for complete accuracy otherwise it's in very good condition. It's marked to the base 999 for fine silver and has a mark but Im not familiar with it. Beautiful initials to the front in copper plate lettering,