Thread:Crazyball/@comment-28764116-20160616123320/@comment-28764116-20160616131805

I can give you the historical source of it.

Here's the official publication of Taiwanese colonial goverment:

http://dl.ndl.go.jp/info:ndljp/pid/2947978?itemId=info%3Andljp%2Fpid%2F2947978&__lang=en

Go to the frame number 2 and you would see the symbol of Taiwanese colonial goverment.