Collectible stamps can be bought online at Stamps2Go, Mystic Stamp Company, Collectors Corner and The Collectible Stamps Gallery. As of 2015, a wide range of U.S. and foreign stamps can be found and purchased on these websites.
Stamps2Go and Mystic Stamp Company offer the opportunity to buy and sell stamps through their websites. Buyers can search through a wide variety of collectible stamps by searching for an item number, year or topic. Sellers can use these sites to cash in on their stamp collections.
Collectors Corner is an online marketplace for collectibles of many kinds. In addition to stamps, it sells coins, currency and sports cards of several varieties.