Did you even know there was an "America's Largest Line of Absentee Cards?" There was at one time, and now you know. Absentee cards are gentle (or not so) reminders to get your butt off the couch and into the pew. Personally, I think we all have enough guilt in our lives that we don't need a postcard to remind us, but they did probably work. Looking for a niche to collect with no competition? Here you go.
Salesman Sample and group of Absentee Cards, circa 1950. Collection Jim Linderman