Humming Bird 1947- According to Vintage Guitar Price Guide Hummingird was a Japanese manufacturer from 1947-1968.

Brand currently made by Tokai. Includes acoustics and Mosrite copies. Hamamatsu, Japan. Brand may have been applied to banjos also.

http://www.guitarristas.org/mkportal/monografias/tokai/tokai1.htm

http://www.cats-eyes.biz/otherbrand/hummingbird.htm

Tokai Hummingbird guitar