[3] Many survivors of the war tell stories of going to the market laden with suitcases or "bayóng" (native bags made of woven coconut or buri leaf strips) overflowing with the Japanese-issued bills.

", in an attempt to discredit the Greater East Asia Co-Prosperity Sphere, and dropped from Allied aircraft over the occupied territories.

[6] Towards the end of the war, the currency underwent hyperinflation, causing a rapid increase of the denomination value of notes put into circulation.

General MacArthur asked the Office of Strategic Services (OSS) to replicate the Japanese currency in the Philippines for his eventual return.

[8] The American forgeries are known to have the following block letter codes: A new series of notes in denominations of 1, 5 and 10 pesos were issued in 1943.