If you have information about this name, share it in the comments area below!
Books about Tamasu:
[Outlines of Japanese Ceramics 7: Tokoname, Atsumi, Echizen and Tamasu] - Nihon Toji Taikei 7: Tokoname, Atsumi... by Yuji Sawada (1989)
Wiki information Tamasu:
Tamasu is a Japanese company that produces table tennis equipment and uses the Butterfly brand name.
Kichii Tamasu is a male former table tennis player from Japan. In 1954 and 1955 he won two gold medals in team events in the World Table Tennis Championships.