The number "84" set off-center in white text against a blue, circular background bordered in gray. Underneath "84" is a white and gray wavelike design. Surrounding this logo, on the rim of the button, is a white background with black text.
The Louisiana World Exposition's theme was "The World of Rivers—Fresh Waters as a Source of Life." The expo was plagued with attendance problems and subsequently gained the dubious distinction of being the only exposition to declare bankruptcy during its run.
Source: Findling, J. E., & Pelle, K. D. (2008).Encyclopedia of world's fairs and expositions. Jefferson, NC: McFarland & Co..