Watch List notes:

MEXICO, UNITED MEXICAN STATES: 1968 50 Centavos, 25mm, 6.5g, KM 451. Obverse: The arms of Mexico with the country name above; ESTADOS UNIDOS MEXICANOS/Translation: United Mexican States. Reverse: King Cuauhtemoc facing left, with feather crown, the value above, the mintmark in the feather crown with 'o' atop of 'M' and under the bust with 'o' to the right of 'M' next to the date; · CINCUENTA CENTAVOS ·Mo 1968. Uncirculated, EF.