Guaranteed stamped STERLING A & Z on the rectangular tab at back of pin and around the turnwheel of the screwbacks.
To earn free USPS/Priority/Ins/Track please mail your $89 USA check or USPS Money order to: Mimi Dee Artwear - POB 458 - Methuen, MA 01844 (PS: same address > 12 years!) Thank you for supporting and collecting Made in USA; as metalwork and jewelry artists we thank you!