Vended postage
An odd corner of the stamp world is the vended postage produced by computers, machines and meters. Here is a batch from Switzerland, showing that they can have a variety of design or be plain ink on paper. Also, as you can see from the "Jour d'Emission" postmarks, they get their own First Day markings. I can't picture an actual ceremony to celebrate that yet another of these has been issued, but it does look like it's a thing. These are most often found imprinted with the current first class letter rate, in this case 90c, but other values are also common. They can have any printed value at all (within reason), so I always wondered how you would collect these. Do you only need one of each design or do you try to collect every value you can find, never knowing if other values are out there? They are also known as "machine stamps", " Variable value stamps ", "computer-vended postage labels", "ATM stamps" (because you coul...