10 Pesos

P#63 ran for nearly a decade, which for Mexican paper currency of this period is a meaningful stretch — the Banco de México was revising its note series fairly aggressively through the 1970s as inflation began to erode lower denominations into practical irrelevance. By the time this type was retired, the 10-peso note was worth a fraction of its 1969 purchasing power.

Printed entirely in-house at the Banco de México's own facility rather than contracted to a foreign security printer — unusual for the region at the time, when most Latin American central banks still relied on American Bank Note Company or similar foreign houses.