Originally Posted By: Researcher
In my 1903 UMC catalogue there were 12-gauge paper shells 2 5/8, 2 3/4, 2 7/8, 3 and 3 1/4 inch.


Likewise in my 1891 U.S. Cartridge Co. price list. They patented their "Waterproof Paper Shot Shells" Oct 14, 1884 and offered their Climax Quality 12ga shells in 2 3/4 to 3 1/4 inches at $9 per 1,000. However, their 14ga and 16ga at that time were held to 2 9/16".