1942 Japan JIC 1 Pound Ch XF/AU from Oceania , see pics,  occupied Pacific Island Territories WW2 Japanese Nippon Military Currency Paper Money p-4a

Oceania Japanese Invasion Currency was issued in the occupied territories of Guam, Gilbert Islands and Ocean Island (Japanese occupation of the Gilbert Islands), Caroline Islands, Marianas Islands, Solomon Islands, Palau, and the now defunct Territory of New Guinea. Although officially called "Oceania" the region was considered a financial and currency union under WWII Japanese colonial dominion that included several political administrations.