Watch List notes:

M275s - 100 Pesos El Banco de Londres y México, espécimen. UNC. 182 x 80mm. Serie C. Impreso por la American Bank Note Company. Espécimen, folios en cero, firmas horadadas

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ENGLISH:

182 x 80mm. Series C. Printed by the American Bank Note Company. Specimen, zeros as serial numbers, punched signatures.