Postage stamp design its rule which stated that a country's name had to appear on their postage stamps, so a profile of the reigning monarch was all that was required for identification of Britain's stamps. To this day the UK remains the only country not required to name itself on its stamps. For all other UPU members, the name must appear in Latin letters. The name chosen is typically the country's own name for itself, with a modern trend towards using simpler and shorter forms, or abbreviations. For instance, the Republic of South Africa inscribes with "RSA", while Jordan originally used "The Hashemite
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