Uchihirame - Uchihirame

…There are also Sakai (Sakai) coins, which indicate the place of minting, Ootori (character) coins, and Kurosen (black coins) that were in circulation in Kyushu, and the Namarisen were probably privately minted coins produced domestically. (3) Uchihirame (Uchihira) These are thought to be privately minted coins produced domestically, but they are thin and uninscribed, and appear in historical documents as representative of bad coins. Bad coins [Minegishi Sumio]. …

*Some of the terminology that refers to "Uchihirame" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…鋳造場所を示すさかい(堺)銭，あるいは九州で流通した字大鳥，黒銭などもあり，なまり銭も国内産の私鋳銭であろう。(3)打ひらめ(打平)　国内産の私鋳銭と思われるが，薄く無文の私鋳銭で，悪銭の代表として史料にあらわれる。悪銭【峰岸 純夫】。…

※「打ひらめ」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報