Posted by Serge A. (90.9.231.171) on October 04, 2020 at 17:58:20:
In Reply to: Help dating / version of this Hasui? posted by David K on October 04, 2020 at 17:15:19:
There is a 6mm Watanabe seal, so it may be printed before 1957, but without the margins, impossible to be more precise.