Postage stamps that are available are not always rectangular in size. They may also be triangular in shape and as well as with round styles and even pentagonal. You can find several types that are used to represent the fact that postage was paid for. Some are listed are below:

Airmail: The word airmail appears over the stamps and they are generally in most cases bigger than the standard postage stamp used for the envelopes. Much like the regular stamp each one does give a name of the region and the price paid.

Coil: These include stamps that anyone can get via the vending machine. A person rip off the postage stamp from the coil when you wish to use one.

Commemorative Stamps: they're postage stamps issued by nations so they can remember a unique celebration which takes place in the country. There are sometimes a number of these throughout any one year, but they are just for sale in minimal quantities.

Definitive Stamps: This is the major stamps which are used by the nation so are produced and also reprinted in bulk. They are available in most different denominations that might be necessary to make up the postage required to send out mail.

Express Mail: These are generally stamps useful for postal mail that should get there in a very small amount of time. Presently there are usually envelopes for this kind of purpose containing the postage necessary.

Military; The Military of nations around the world have its own accepted postage stamp to put on the mail that many people send.

Official: Mainly government departments and bureaus may use these stamps that will be from the actual governing bodies of all countries around the world.