10 Pesos

Philippine guerrilla and provincial emergency currencies issued during the Japanese occupation are well documented as a category, but Ilocos Norte's issues occupy a specific corner of that story. The provincial government in the Ilocos region continued functioning under significant pressure during the occupation, and these locally authorized notes were a practical response to the near-total collapse of normal currency supply after the fall of the Commonwealth administration in 1942.

S283 is catalogued among the Philippine emergency circulating notes compiled by Neil Shafer — a series where counterfeiting and Japanese suppression of guerrilla finance made the act of issuing such notes genuinely dangerous. Surviving examples from Ilocos Norte tend to show heavy use.