10 Pesos

The Mindanao Emergency Currency Board was one of several provincial and local bodies that rushed emergency notes into circulation after the Japanese invasion of December 1941 severed the Philippines from its normal banking infrastructure. Mindanao held out longer than Luzon, and local authorities had more time to organize — the MECB issues are consequently better documented and more systematically printed than many guerrilla-era notes from the archipelago.

P#S473 falls within a series produced under genuinely chaotic conditions, with supply chains for paper and ink unreliable at best. The underprint security feature is notable given the circumstances — a deliberate attempt to deter Japanese forgery operations, which were actively targeting emergency Philippine currency to destabilize civilian confidence.