Red and blue text around an illustration of a man's head
LOU FOX CHICAGO
Dan Dunn was a fictional detective created by Norman Marsh in the 1930s. The comic book Dan Dunn, Secret Operative 48 became a daily newspaper comic strip in 1933 and ran through 1943. "The Saturday Daily News" button set from the 1940s featured characters from their newspaper comic strips including Li'l Abner, Apple Mary, Mutt and Jeff, and Dan Dunn.
Dan Dunn. (2018). Retrieved from https://en.wikipedia.org/wiki/Dan_Dunn
Saturday Daily News Pinbacks (n.d.). Retrieved from http://www.marklansdown.com/pinbacks/pages/saturdaydailynews.html