| These are increasingly in demand. Some collectors prefer to proudly showcase their coins in archival folders, while others prefer airtight capsules, or mylar-lined 2x2's. Whatever you do, don't store yours in the soft flips you frequently find in the market. They are made from polyvinyl chloride which breaks down in time and destroys the coin it was intended to preserve. Should you purchase coins already in one of these, move it ASAP to something better. You may consider Mylar, but recognize that they are hard and may scratch the piece if isn't placed and removed carefully. Although they are not airtight, they're adequate alternatives for medium value coins that will untouched for numerous a long time. |