There is a pin back. You push lever up to release pin and push down on leaver to lock pin. The pin is marked Sterling Mexico.The word Sterling is wearing off. It measures 2 1/4" long and 1 3/4" wide. The item "Vintage Sterling Silver Mexican Pin Brooch with Flower Pot Birds Green Stones" is in sale since Friday, March 1, 2019. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Vintage Ethnic/Regional/Tribal\Mexican, Latin American". The seller is "rosiespurse28" and is located in Whippany, New Jersey.
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