Vintage emerald and peridot green rhinestone pin WOW!

Beautiful old pin composed of emerald green and peridot green prong set rhinestones. Gold tone setting and pin back. Measures 2" diameter. Round and marquis shaped stones of various sizes. Stones are sparkling, all intact, and not scratched. No makers marking. There is a dark spot on the plating on the back which does not effect the pin or value. It has loops on the back so it could be used as a pendant also.