United States Postal Service

The United States Postal Service (USPS) is a government-run corporation which oversees the mail system of the United States of America. The American postal system was founded by Benjamin Franklin in 1775.

On December 28, 2010 the USPS announced that it would be releasing 20 collectible stamps featuring Lightning McQueen & Mater, WALL•E & his plant, Carl & Dug, Buzz Lightyear & the Aliens, and Linguini & Remy. Best of all, they’re considered valid "forever". They will be released on August 19, 2011.