1835-Pi NGC AU 55 Mexico 8 Reales 8R Rare Potosi Mint Silver Coin (25040201D)Almost Uncirculated Mexico silver 8 reales coin. Struck at the Potosi Mint (mint mark Pi), assayer JS. Popular first year varieties with denomination expressed as 8R or 8Rs during 1835; 8Rs only continued through 1839). Certified by NGC to AU 55. Well struck for this early Potosi date. Very lightly toned with significant luster, very appealing in hand. DP Pi10: "Somewhat scarce as a date. The 8R variety is much scarcer than the 8Rs."