A fabulous example of the Art Nouveau Period, this pin has a freeform swirl of engraved 10K yellow gold accented at center with a large blister pearl in shades of cream and grey with an orange center. Very well-made. Marked 10K on the back, this pin is in excellent condition. It measures 1 1/4' x 3/4'. 10K Yellow Gold Art Nouveau Blister Pearl Brooch/Pin