Collection Studio 4.75
[ release date: August 31, 2018 ]
Souvenir sheets (miniature sheet)
Since their inception there have been numerous innovative developments in how stamps have been dispensed and sold. Recently one has been able to print up postage stamps from one's personal computer. In 2002 the United States Postal Service licensed Stamps.com to issue NetStamps, postage that can be printed up on special labels and, unlike previous postage the USPS licensed individuals to print up on their computers, these stamps can be used on any date, not just the date one prints them up. (There are other types of computer-vended postage as well).
For instance, ATM stamps have been sold at automatic teller machines (ATMs), although the may be sold via stamp catalogues of the postal service or possibly at philatelic windows. They must be the same size and thickness as currency in order to be dispensed by the ATM.