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1952-1956 Topps Mini-Snap

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.

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Strengths: Inexpensive. Small and compact which allows for storage of many in smaller spaces particularly in standard set storage boxes that hold complete sets of collectible cards from trading card manufacturers like Bowman and Topps.

Weaknesses: With its two piece snap design there is always a chance that it could come apart if your drop this baseball card case on a hard floor. For real expensive baseball cards, use a one screw screwdown. Some people, like children, have a hard time opening this holder. Use a small coin like a dime to wedge it into the slot on the side of it to open if necessary.

Aliases: Vintage Card MiniSnap, PC-4

Item Name Typical Card holder is used for Inside Dimensions (Where card fits) Outside Dimensions UV Protection
PC52 Vintage cards from the 1950's .033 by 2.68 by 3.8 (inches) .330 by 3.143 by 4.515 (inches) 5 Years+
Card Company Trading Card Name
Bowman 1989 Standard Issue
Topps 1952-1956 Standard Issue

Question: Why doesn't my 1952 Topps Card not quite fit in this holder?


Answer: The card in question may have been trimmed by someone to eliminate frayed edges, or it just was not cut right from the card company. With older cards it can be hit or miss sometimes on whether the card is to size, and if it is cut perfectly square.


With the recessed corners on the PC52 your card will not get damaged if it moves around a little bit, because the weakest area of the card is never touched.

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