I use the 2x2's because it allows me to view the coin's obverse and reverse and store it in a plastic sheet in a binder. I have read some about different holders, and that the cardboard holders like the statehood quarters map can contain sulfer which damages a coin. I imagine that since the 2x2's are lined with mylar, the coins are protected from the sulfer. Also, they are only temporary until I get enough together to send in to NGS to get slabed.
I dig a large hole in my back yard, lay out a layer of concrete, place all my coins on that, add seveal more feet of concrete on top of that. So far no one has stolen any of them. The ones not in that concrete are melted down for one gigantic statue of myself. :goofer: After collecting for over 60 years the methods of storing are varied. Many of my coins are in over 100 Whitman Albums and each in a gallon size Zip Lock bag. Thousands of Mercury Dimes are in those plastic rolls and same with thousands of 1943 Steel Cents. Then there are 9 of those Whitman, Red cardboard, two rows of coins boxes full of 2x2's. Most are in 5 different bank safe deposit boxes. Of course there are also several small jars of coins yet to be searched.
First of all, no albums or folders of any kind. Each coin placed in its own individual, hard plastic holder. All of those holders stored in some sort of closed container, in a cool, dark place. And with silica gel packs in the container. That's about it.
For my Lincoln cents I use 2x2's and insert them in Cowens 20 window pages and put the pages in a 3", three ring binder. I keep the binder in a humidity controlled environment. The this method allows me to look at the coins and still offers some protection. Jim
