Watch List notes:

M4641Bs2 – 100 Pesos Banco de México, 1961 Espécimen. UNC. 158 x 67 mm. Serie VM. Impreso por American Bank Note Company, el 8 de noviembre de 1961, folios en ceros, firmas horadadas

ENGLISH:
158 x 67 mm. CCV series. Printed by American Bank Note Company, January 18, 1978, zeros as serial number, printed signatures.