This antique Art Deco heart-shaped locket is crafted with the quality of a bygone era, making it a timeless piece of jewelry for anyone to enjoy. It's the perfect sweetheart gift and a beautiful keepsake of memories that will last a lifetime. This locket and chain with a beautiful art deco engraved front measures about 1 inch across I don't see any stamps or plating wear on this locket I would estimate it to be around 100 yrs old . Brass Heart Charm Necklace For Wedding, Vintage Charm Heart Pendant Jewelry For Anniversary, Elegant Heart Pendant Necklace With Vintage Charm, Heirloom Heart-shaped Jewelry With Vintage Charm, Vintage Charm Heart-shaped Yellow Gold Jewelry, Victorian Brass Necklace With Heart Charm, Antique Gold Engraved Jewelry Gift, Elegant Heart-shaped Jewelry With Vintage Charm, Antique Gold Engraved Jewelry As A Gift