This is the little 4 character code, 31TH, written on the holder. This coin contains 1 Troy ounce of 0.999 pure silver. We have EXTENSIVE training in counterfeit coins and currency. There is an astronomical amount of counterfeit coins out there.
2007 Mexico Libertad 1 Onza Silver Coin KM# 639 31TH
This is the little 4 character code, 31TH, written on the holder. This coin contains 1 Troy ounce of 0.999 pure silver. We have EXTENSIVE training in counterfeit coins and currency. There is an astronomical amount of counterfeit coins out there.