Senkai-maru 1 (the name of a ship) Tokyo Fish Market
Sakatatsu is the name of a relatively big fish wholesaler In Tokyo Fish Market in the Taisho and early Showa period. This shop/company is the presenter of the flag. Senkai-maru seems to be a cold storage boat, which was launched in 1932, so the flag would be around that time.
I've got a hat I picked up in Miyagi-ken that was patched together from ship flags after the 3/11 tsunami. I would visit often and load up on gifts for my "birthday bag." Anyone deserving of a gift could pick something from the bag, which is full of stories and souvenirs from my travels.
@Toritoribe is it common to write 丸 that way, or perhaps something particular to ships? Or just an old fashioned way to write it?
Thinking about this begged the question, why is 丸 used for ship names?
Answer (1 of 4): Interesting question. To make it clearer, Japanese ships are not called Maru. Maru doesn’t mean ships. It’s that most Japanese ships have a name with 丸 (Maru) at the end. The straightforward answer would be “because the Japanese Ship Act orders to add 丸 (Maru) to the end of the ...