MEXICO. Escudo, 1860/59-Zs VL. Zacatecas Mint. NGC MS-64.Fr-106; KM-379.6. Overdate is not noted on the holder. Inverted "A" in place of "V" for the Assayers initials. Well struck and lustrous. The single finest certified for this date (including all varieties of this date, including the overdate) at either NGC or PCGS.