Stamps can be purchased online at Realworldstamp.com. Online retailers, small businesses, and enterprises can ship U.S. first class postage at a discounted rate. As an independent USPS vendor, we carry hot-selling stamps. We legally purchase our stamps from thousands of supply partners, including CVS and Costco; from bankrupt and liquidated businesses, to wedding organizers and stamp collectors. As a result, we are able to offer our clients great deals on stamps. To learn more please visit:https://www.realworldstamp.com/