I've recently purchased an old Japanese cigarette case that was described as "Komai style". The seller doesn't know much about the case, since he received it from the grand grand father. I know it wasn't made by Komai Otojiro himself or by his son, Seibei, since the mark on the case isn't one of their marks. The mark on the inside of the case is:
Can somebody help me with identifying the maker?
Thanks in advance.