(Most copper coins including Wado-kaichin were produced in western Japan such as Suo Province [Suzenji, Yamaguchi City, Yamaguchi Prefecture, Anyoji-cho, Chofu, Shimonoseki City]).
（和同開珎等の銅銭でさえ周防国（山口県山口市鋳銭司・下関市長府安養寺町）等の西日本で多くが鋳造されていた。）