From their beginnings in China to their role in modern economies, banknotes have evolved alongside history. Philippine Republic banknotes are especially rich in variety, shaped by political transitions and security advancements. Beyond denominations, collectors discover fascinating differences in printers, serial numbers, signatures, BSP seals, commemorative issues, error notes, and specimen banknotes prized by notaphilists.

During WWII, Japan issued its own currency in the Philippines—called Japanese Invasion Money. Nicknamed “Mickey Mouse Money,” these notes quickly lost value due to overprinting, lack of trust, and Allied counterfeiting. But behind these worthless bills lies a fascinating story of economic manipulation and wartime survival.