Invented by Pro-Mold in 1991 (U.S. Patent 5,224,600), the mini-snap is a two piece snap design card holder that is ideal for inexpensive trading cards. The mini-snap was the first baseball card case to fit into the standard set storage boxes (pictured above) allowing you to keep complete sets in place with the most expensive cards being preserved in this holder.
Holds Standard Sized Trading Cards up to 70 Point (3-4 regular cards)
Inside: .070 by 2.5 by 3.5 (inches)
Outside: .243 by 2.66 by 3.65 (inches)
Aliases: Thicker Card Holder, Memorabilia Card holder, Action Packed Card Case, PC-3