1861-O PCGS AU Mexico 8 Reales Oaxaca Mint RARE Silver Coin (25082102C)Almost Uncirculated Mexico silver 8 reales coin. Rare date mint mark struck at the Oaxaca Mint (O mint mark, assayer FR). Note there is also 1861 Oa issue (which is only scarce). Certified by PCGS to AU Detail Cleaned. Dunigan Oa05: "This date is rare and has long been very underrated. Although the style of this coin is not crude, the die finishing appears to be of poor quality. Even high grade examples have a fuzzy look. It generally comes Very Fine"