USPS

USPS A stamp, bought and paid for, is like a receipt And if stuck on an envelope makes it complete To start its journey, with the recipient to meet But never quite a passport, if sent international Accepted only in USA territories, as is rational So many designs, as a picture or even a symbol It will be processed by hand, and also machine Unless it’s dropped in a puddle, it is kept clean And it is Washington’s head that once was seen But now, in many dollar values available to buy To work out the logic, perhaps just give it a try But as a form of communication, it is so simple