Japanese Stamps Digital Museum

新小判切手 << 1888年(明治21年) >> みほん 1-2-4

New Koban stamps Issued on 1888(Meiji21) - Specimen -

Koban stamp (new Koban stamp) Issued on 1888 (Meiji 21) - Specimen - In March 1888 (Meiji 21), 7 types of printing stamps that had changed the printing color of the Koban stamp and 2 types of new value stamps were issued. For 25 sen, the design is not an oval type but a circle, and 1 yen is designed with the chrysanthemum, the emblem of the Emperor. In this era, stamps reflect Japanese nationalism.

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The above is only true for specimen stamps.
For more information and official printed stamps, see this.
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