The pound was one of several issues of Japanese invasion money used during World War II.

[1][2] Although officially called "Oceania" the region was considered a financial and currency union under Japanese colonial dominion that included several political jurisdictions rather than a single polity.

Early in 1944 crude copies were being made and sold out of Sydney, with the word "replica" printed in small letters on the reverse.

Authorities determined that since the notes were not legal tender in Australia (with or without the word "replica"), the practice was not illegal.

[4] However the responsible party, a print shop in Brisbane, was cited for violating wartime regulations governing the rationing of paper, and shut down.