Crowncap Manufacturer card
  
Entered: 24 Feb 2020 22:06 - Michael Dolgushkin - Modified: 05 Apr 2021 22:03 - Jon Bailey
Cupples Company Manufacturers (CCM)

St. Louis, MO. Sign #1 used during late 1920s, sign #2 during early 1930s. Cupples offered home use crowns in later years, which they may or may not have actually manufactured.

Link 
Maker's Mark