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 . Heirloom Oval Jewelry For Valentine's Day, Antique Gold Keepsake Pendant Jewelry, Elegant Medallion Locket Necklace For Valentine's Day, Antique Gold Pendant Jewelry For Keepsake, Heirloom Jewelry For Valentine's Day, Double Heart Keepsake Jewelry For Valentine's, Valentine's Day Double Heart Keepsake Jewelry, Valentine's Day Keepsake Double Heart Jewelry, Heart Pendant Locket Necklace For Valentine's Day