Difference in price - Isaifu

Japanese: 違割符 - いさいふ

…The procedure was that the payee would receive the rice coins by using the endorsed taifu. If the payer refused to endorse it, this was called a 'waifu'. The issuer of the bill was called the taifu-shu, and the people who made a living issuing and paying bills were called 'warifu-ya', 'kaeya', or 'kaeseniya'. …

From 【Tally】

...The payer writes the due date of payment on the back of the tally (backing) as proof of payment. A tally that is refused is called a waifu. Such transactions of exchange using tally began around the Kamakura period, and were also called kaesen and kaemai, but as the distribution of goods and trade between long distances developed further in the Muromachi period, professional merchants who handled tally appeared in Kyoto, Yamazaki, Sakai, Sakamoto, and other places, and were called warifuya and warifunin. ...

*Some of the terminology explanations that refer to "Iwawarifu" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…受領人は裏書を得た割符によって米銭を受領するという手続であった。支払人が裏書を拒絶した場合，これを〈違割符〉といった。手形振出人を割符主といい，手形の振出し･支払を業とする人々を割符屋，替屋，替銭屋といった。…

【割符】より

…支払人は割符の裏に支払期日を書いて(裏付)，支払の証明とする。支払を拒否された割符を違割符という。鎌倉時代のころからこうした割符を利用した為替行為がはじまり，それは替銭･替米などとも呼ばれたが，室町時代になって商品流通や遠隔地間交易がいっそう展開すると，京都，山崎，堺，坂本などに割符を取り扱う専業の商人があらわれ，割符屋，割符人と呼ばれた。…

※「違割符」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

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