Its regular carat was around 52 monme (84.6%) in the early time (52 monme 2 bu [84.29%]is average), rising to 50 monme 7 bu (86.79%) which is 'the value of Mimasu' around the time of the 3rd Shosaburo Yoshishige GOTO, after Kanei era, later.
規定品位は初期は五十二匁位（84.6%）前後（五十二匁二分位（84.29%）は平均値とされる）であったが、後の三代目後藤庄三郎良重の頃すなわち寛永年間以降は、「見増の位」五十匁七分位（86.79%）に上昇した。