18K Vintage 50s Owl Brooch Genuine Gold + Emerald

Exceptional 1950s vintage owl brooch/pin w/working clasp. Made of hallmarked 18 KT yellow gold & professionally acid tested for gold content weight:14.5g approx. 1 3/4" long & 3/4" wide approx. He has two natural emerald eyes, each about a 2+ mm size. Meticulous handcrafted detailed gold work. Textured body gives an impression of layered wings. Seated on a branch, feathers hang off back & head is smooth gold w/striated face mask. See pic 8 hallmark faint=Unknown, Buyer may wish to send or bring in to Tiffany for review. The origin is undetermined, but still a lovely solid 18k gold piece with natural emeralds!