Mint State Uncirculated Mexico Gold 1 peso coin.Minted at Guanajuato Mint (Go mint mark), assayer R.Overdate variety with 1900/800.Some die polish is noted.Very Rare with mintage only 864 coins.Certified by NGC to MS 62, Population Census: 4 coins, only 3 higher (MS63).Conditionally Rare!Lustrous & reflective surfaces, beautiful in hand.