File:Type 89, early version front view.jpg

Image of an Imperial Japanese Army Type 89 I-Go Ko light tank.

This image was found at https://commons.wikimedia.org/wiki/File:IJA_Type_89_medium_tank_Ko_earlymodel.jpg.

The source of the image is 日本語: 光人社、2002年、佐山二郎 著 『機甲入門』 p131 (English: Jiro Sayama "Kiko nyumon : kikaika butai tettei kenkyu" p131, Kojinsha, 2002.)

Also noted is the following: This photograph is in the public domain in Japan because its copyright has expired according to Article 23 of the 1899 Copyright Act of Japan (English translation) and Article 2 of Supplemental Provisions of Copyright Act of 1970. This is when the photograph meets one of the following conditions: It was published before January 1, 1957. It was photographed before January 1, 1947. It is also in the public domain in the United States because its copyright in Japan expired by 1970 and was not restored by the Uruguay Round Agreements Act.