Pre-eagle Taxco 980 signed as such. Almost 4oz.this necklace is BIG at 18.25in. long and it consists of 2 sizes of medallion.The small medallion is 2in. long and 1.25 wide. The large medallion is 2.25in. long and 1.5in. wide. This is a fabulous collector piece. The shape is ancient and Aguilar comes to mind. The repousse balls make this a standout! Just, LOOK AT THAT NECKLACE!