Mount Fuji Side
Mount Fuji forms the principal motif, accompanied by the Chrysanthemum crest and the denomination.
Denomination & Date Side
The denomination character is centered with the national inscription and the Shōwa-era date.
Historical Context
Japan Mint historical material explains that wartime material conditions led to changes in aluminum coinage. For the 1 Sen, the diameter was reduced and the design was changed to use Mount Fuji and the character for one.
Archive Note
No third-party coin image is reproduced on this page. Japan Mint material is used as the primary historical and type-level reference. Secondary catalogue information is identified separately.