Vintage 21.6k, 1945 Dos Pesos Mexican Coin in 18k Yellow Gold Ring

Vintage 1945 dos Pesos Mexican coin in 18k yellow gold ring.  ID#: RG994 Ring:  Metal: 18k yellow gold  Size: 2 Band Width 1.38mm  Total Weight: 3.32g  Markings: '750' 

 

Coin:  Obverse: Mexican eagle earing a snake on a cactus with a wreath below.  Reverse: The denomination in large font surrounded by wreath and date.  Issuer: Mexico Type: Standard circulation coins Year: 1945 Value: 2 Pesos Composition: Gold (0.900)  Coin Diameter: 13mm  Coin Thickness: 1.05mm Coin Weight: 1.66g