1876/5-Pi PCGS AU 55 Mexico 8 Reales Potosi Mint Rare Overdate Silver Coin POP 1/2 (26050401C)Almost Uncirculated Mexico overdate silver 8 reales coin. Struck at the San Luis Potosi Mint (mint mark Pi), assayer MH. DP Pi62: "The normal date is common and the overdate is scarce. Certified by PCGS to AU 55, Population Census: this coin, only 2 higher. Conditionally RARE! Lightly toned with some luster, very pleasing in hand.