Vintage 1948-1979 Taxco Sterling Silver, Adventurine, Tigers Eye ring - 9 1/2

This vintage Taxco sterling, adventurine and tigers eye ring was made between 1948 and 1979 based on the Eagle 3 stamp which was used by silversmiths in Taxco, Mexico to show the metal met sterling silver guidelines before it was replaced by the more common Taxco code which are letters with a dash then numbers. The ring shows patina which can be polished. Size 9 1/2