When the 8 Reales coinage was resumed, new dies were introduced. The most important featue of this die is that the o in the mintmark was removed from the inside of the G and placed as a superscript to the right of the G.
This form of mintmark would remain until the mint closed. Dunigan Co53: This date is available in all grades, but Uncirculated specimens can be difficult to locate. Certified by NGC to MS 61. This coin is well struck, the obverse has somewhat subdued luster, the reverse is fully lustrous. The item "1873-Go NGC MS 61 Mexico 8 Reales Mint State Guanajuato Silver Coin (19060301C)" is in sale since Monday, June 3, 2019.This item is in the category "Coins & Paper Money\Coins\ World\North & Central America\Mexico\Second Republic (1867-1905)". The seller is "caesars_ghost" and is located in San Pedro, California. This item can be shipped worldwide.