20 Pesos Blue 20

Philippine provincial emergency currency issued under Japanese occupation is well-documented, but Palawan sits at the edge of that story in a specific way. The island's geographic isolation — and its early liberation by Allied forces in early 1945 — meant that emergency notes issued there had an unusually short window of actual use. Many Palawan guerrilla and provincial issues circulated for only months before being retired.

The S945 designation places this within the Philippine Commonwealth emergency series catalogued under Mindanao and other southern issues. Palawan provincial notes from 1944 are among the scarcer regional pieces, not because they were carefully preserved but because production runs were necessarily limited by available materials under wartime conditions.