The document suggests that Jobs is one in a list of U.S. icons to appear on stamps that year, including Elvis Presley and Johnny Carson. It's unclear which image of Jobs will be used though; the report doesn't go that far.
Images on U.S. stamps are typically selected by an advisory committee of ordinary citizens, and they're supposed to be "contemporary, timely, relevant, interesting and educational." Clearly, if the rumor is true, Jobs fits that bill. [Washington Post via Engadget]