Art Nouveau Stick Pin Tourmaline 14K Yellow Gold Imperial Russian

Art Nouveau Stick Pin Tourmaline 14K Yellow Gold Imperial Russian. Art Nouveau era Russian Imperial 14k. 585 yellow gold stick pin with a crescent moon form head, accented with greenish blue color Tourmaline cabochon. This great pin is 2 1/2 long, the head is 10 mm x 11.5 mm, total weight is 2.2 grams. The stone is 4.8 mm in diameter.