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WADōKAICHIN (和同開珎), also romanized as WADō-KAICHIN or called WADō-KAIHō, is the oldest official Japanese coinage , having been minted starting on 29 August 708
708
on order of Empress Genmei .

CONTENTS

* 1 Description * 2 See also * 3 Notes * 4 References * 5 External links

DESCRIPTION

The coins, which were round with a square hole in the center, remained in circulation until 958 AD. These were the first of a series of coins collectively called jūnizeni or kōchō jūnisen (ja:皇朝十二銭).

"Wadōkaichin" is the transliteration of the four characters in the coin's inscription, which is thought to be composed of the era name Wadō (和銅, "Japanese copper"), which could alternatively mean "happiness", and "Kaichin", thought to be related to "Currency". This coinage was inspired by the (Chinese) Tang dynasty coinage (唐銭) named Kaigentsūhō (Chinese: 開元通宝, Kai Yuan Tong Bao), first minted in Chang\'an in 621 CE. The Wadōkaichin
Wadōkaichin
had the same specifications as the Chinese coin, with a diameter of 2.4 cm and a weight of 3.75 g.

SEE ALSO

* Ryō (Japanese coin)
Ryō (Japanese coin)
* Japanese mon (currency)
Japanese mon (currency)
* Wadō (era)
Wadō (era)
* Economy of Japan
Economy of Japan

NOTES

* ^ Traditional Japanese date 10 August according to Shoku Nihongi * ^ Titsingh, Isaac (1834), Annales des empereurs du Japon (in French), pp. 63–5 . * ^ Brown, Delmer et al. (1979). Gukanshō, p. 271, * ^ Varley, H. Paul. (1980). Jinnō Shōtōki. p. 140. * ^ Nussbaum, Louis-Frédéric (2005), "Wadō-kaihō",