The ESEMCO stamp appears to the rear. No gold marks, but looks high grade, yellow gold looks min 15K possibly 18K. Weighs a very impressive 8.8 grams & is 65mm high x 31mm wide. Recently professionally cleaned & in stunning condition...
The brooch is stamped 14K to the rear on clip, measures 50mm x 41mm & has an overall weight of 15.7 grams. In excellent condition. FREE postage within Australia which includes, tracking, insurance & registered.