Opposing the fact that the successful circulation of the Kanei-tsuho shinchu toshimonsen (bronze Kanrei-tsuho equivalent to four mon) made gin-za (an organization in charge of casting and appraising of silver during the Edo period) affluent, Sanemon GOTO, the Kin-za Okane aratame-yaku (an organizer of kin-za), proposed issuing more coins of higher rates.
寛永通宝真鍮当四文銭の成功により銀座(歴史)が潤ったことに対抗し、金座御金改約の後藤三右衛門の発案により高額の銭貨の発行へ至った。