We're betting this is one to be handed down to loving generations to come.  Three strands of faceted bronze-lacquered shell pearls are fitted with a brass box pendant, itself adorned by a bouquet-festooned lid in embossed decoration.  Likely dating to the 1930s, it's a hand-picked heirloom in more ways than one.  A vintage goldtone filigree clasp continues the antique tradition at back, approximately 17.5" overall.