100 Pesetas

The three-signature format on this issue reflects the signing authority structure the Banco de España maintained through much of the late Franco period — governor, sub-governor, and a third official — a practice that became increasingly ceremonial as Spain's economy modernized through the 1960s desarrollo years. The note continued circulating well into the post-Franco transition, eventually retired when the 1979 series superseded it.

Fábrica Nacional de Moneda y Timbre handled essentially all Spanish banknote production domestically by this date, having steadily displaced foreign security printers from the 1940s onward. P#152 is among the more frequently encountered survivors from the series, though quality varies considerably — the paper on this type is known to brown unevenly with age.