Dainty 1 1/8 x 7/8 inch pin acid tests 9-10K gold but I don't trust my tests so am pricing as goldfilled. It h is set with a glowing art glass cabochon of pinkish rose with a bit of green stirred in. Nice patina, C clasp and no chips. Excellent vintage condition.
Art Nouveau, Art Glass
Vintage Art Nouveau Pin w Rosy Art Glass