Postage stamp prepaying. From when the first postage stamps were used, postmarks were applied to prevent the stamps being used again. The first stamp, the "Penny black", became available for purchase 1 May 1840, to be valid as of 6 May 1840. Two days later, 8 May 1840, the Two penny blue was introduced. The Penny black was sufficient for a letter less than half an ounce to be sent anywhere within the UK. Both stamps included an engraving of the young Queen Victoria, without perforations, as the first stamps were separated from their sheets by cutting them with scissors. The first
Presidents of the United States on U.S. postage stamps physical postage stamp itself and is why people began to collect them. There exist entire series of stamp issues whose printing was inspired by the subject alone. The portrayals of Washington and Franklin on U.S. postage are among the most definitive of examples and have appeared on numerous postage stamps. The presidential theme in stamp designs would continue as the decades passed, each period issuing stamps with variations of the same basic presidential-portrait design theme. The portrayals of U.S. presidents on U.S. postage has remained a significant subject and design theme on definitive postage throughout most of U.S. stamp issuance