Better Get Inline For These Great News for all you Pixar fans and stamp collectors. The USPS will be releasing a set of five stamps from previous released Pixar films. Since 1986, Pixar films have stretched the boundaries of our imagination with stories about unlikely heroes who explore the bonds of friendship and family. Now some of those heroes are the subjects of colorful new Send a Hello stamps that encourage people to connect with loved ones through the mail. Read more after the Jump.. The Send a Hello stamps, which go on sale Aug. 19, are a natural outgrowth of the Art of Disney stamp series issued between 2004 and 2008. Originally intended as a series of three annual issuances depicting friendship, celebration, and romance, the Art of Disney stamps proved so popular that the Postal Service expanded the series to include issuances in 2007 and 2008 to celebrate imagination and magic. Based on that success, the Postal Service was eager to work with the Walt Disney Company