1839-Mo NGC AU 58 Mexico 8 Reales City Mint Scarce Cap Rays Silver Coin (25091401D)Almost Uncirculated Mexico silver 8 reales coin. Struck at Mexico City Mint (Mo mint mark), assayer ML. Well struck with weak centers. Certified by NGC to AU 58. DP Mo22: Generally found Very Fine and with a weak strike. It is obtainable up to Almost Uncirculated, but expect very soft centers. In my experience this is a elusive date from Mexico City.