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From Wikipedia, the free encyclopedia
kōchō jūnisen (皇朝十二銭) (aka jūnizeni) is a general term for 12 types of copper coins minted in Japan under the Ritsuryo system from 708 (Wadō 1st year) to 963 (Ōwa 3rd year).[1] All of the included coins are circular in shape, have a square hole in the center, and were worth 1 mon.[lower-alpha 1]
Image | Inscription | Kyūjitai | Shinjitai | Year of introduction (Julian calendar) |
---|---|---|---|---|
![]() | Wadōkaichin | 和同開珎 | 和同開珎 | 708 |
![]() | Mannen Tsūhō | 萬年通寳 | 万年通宝 | 760 |
![]() | Jingū Kaihō | 神功開寳 | 神功開宝 | 765 |
![]() | Ryūhei Eihō | 隆平永寳 | 隆平永宝 | 796 |
![]() | Fuju Shinpō | 富壽神寳 | 富寿神宝 | 818 |
![]() | Jōwa Shōhō | 承和昌寳 | 承和昌宝 | 835 |
![]() | Chōnen Taihō | 長年大寳 | 長年大宝 | 848 |
![]() | Jōeki Shinpō | 饒益神寳 | 饒益神宝 | 859 |
![]() | Jōgan Eihō | 貞觀永寳 | 貞観永宝 | 870 |
![]() | Kanpyō Taihō | 寛平大寳 | 寛平大宝 | 890 |
![]() | Engi Tsūhō | 延喜通寳 | 延喜通宝 | 907 |
![]() | Kengen Taihō | 乹元大寳 | 乾元大宝 | 958 |
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