1 Monme Izushi Domain

Izushi Domain was a small but stable han in Tajima Province under Tokugawa rule, and its locally issued paper currency — hansatsu — operated entirely within domain borders as a matter of shogunate policy. The 1 Monme denomination is expressed in silver monme, the unit used for mercantile exchange in western Japan, where silver-by-weight conventions dominated over the copper cash system prevalent in the east. This geographic monetary distinction is embedded in the denomination itself.

The official seal functions as the sole anti-counterfeiting measure, which was typical of hansatsu across the period — trust derived from the issuing domain's authority rather than from printing complexity.