Not in the United States. The US Postal Service approves the postage stamps.

Mirko R. Rasic has written:

'The postal history and postage stamps of Serbia' -- subject(s): History, Postage stamps, Postal service, Postmarks

A Person Can Print Postage Online by Going to the United States Postal Service Site and Purchasing the Stamps Needed and Then Printing Them Off at Home.

"Photo Stamps" are postage stamps which are created by uploading one's own photographs. Both the Royal Mail in the U.K. and the United States Postal Service offer this facility.

Philatelists collect stamps and postal history.