Watch List notes:

M462c – 20 Pesos El Banco Oriental de México. XF. 188 x 82 mm. Serie O. CILXXXI. Impreso por American Bank Note Company, el 3 de febrero de 1910, firmas autógrafas, tres ligeros dobleces

ENGLISH:
188 x 82 mm. Series O. CILXXXI. Printed by American Bank Note Company, February 3, 1910, handwritten signatures, three light folds.