As to this theory, the premise collapses in the case of 'one kanmon = 100 mon' in "Japanese Customary Practice of Counting" written and edited by Harutake IIKURA (published by Seishun Publishing Co., Ltd. in 2007).
この論は、飯倉晴武編著『日本人数のしきたり』（青春出版社刊2007年）の「1貫文＝100文」同様、前提が破綻している。