5 Francs Doany leprosarium

Doany is a village in northern Madagascar, and the leprosarium there operated under French colonial administration as a medically isolated community — effectively a closed economy. Notes like this one circulated exclusively within the colony's boundaries as a practical tool of segregation: residents could not use ordinary currency outside, and outside currency was not permitted in. The system kept patients contained as much as it kept their money contained.

Madagascar produced several leprosarium issues across different sites during this period. Doany's are among the less documented.