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

Vintage 1945 dos Pesos Mexican coin in 18k yellow gold ring with U-guard.  ID#: RG906 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

 

Ring:  Metal: 18k yellow gold (acid tested)  Size: 3 1/2 - 4 Ring Weight: 5.9g Total Weight: 6.95g