10 Baht - Rama VIII Series 7, Type II watermark wave

Thailand's first post-war notes presented an awkward problem: Rama VIII, Ananda Mahidol, died under disputed circumstances in June 1946 — a gunshot wound to the forehead officially ruled accidental — leaving notes bearing his portrait in active circulation during an immediately sensitive political period. The Series 7 notes had been printed by De La Rue in London during wartime supply constraints, with delivery and release complicated by the Japanese occupation of Bangkok.

The Type II watermark distinction separates later impressions from the initial run. Pick lists P#56B specifically for the wave pattern watermark, as opposed to the earlier hatched variety.