MEXICO. Copper-Nickel 20 Centavos Pattern, 1980-Mo. Mexico City Mint. NGC MATTE PROOF-67.KM-Pn218; Herrera-PL-56A. Mintage: 8. Struck to commemorate Olmec culture. A well struck, untoned, and softly lustrous pattern.
MEXICO. Copper-Nickel 20 Centavos Pattern, 1980-Mo. Mexico City Mint. NGC MATTE PROOF-67.KM-Pn218; Herrera-PL-56A. Mintage: 8. Struck to commemorate Olmec culture. A well struck, untoned, and softly lustrous pattern.