1879-Oa NGC MS 62 Mexico 8 Reales Oaxaca Mint State Scarce Silver Coin (20081901C)Mint State Uncirculated Mexico silver 8 reales coin. Struck at the Oaxaca mint (Oa mint mark, assayer AE). Certified by NGC to MS 62, very well struck with full snake great detail on the eagle wing feathers and cactus, lightly toned with lustrous surfaces. Dunigan Oa24: "Available in all grades, although like all Oaxaca coins, it can not be considered common in Uncirculated condition." No International Shipping.