I've been going through the coins I got from my grandfather. They had been stored in 2x2 cardboard. Many of them need to be replaced but one of...
I've come across some zinc coins from the 50's & 60's. They've been store in 2x2 mylar flips. They appear to have some kind of white powder on...
I just recieved my grandfather's world coin collection. Its been stored in 2x2 mylar flips which were then placed in some kind of plastic sheet...
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