The Scott #3838 Air Force Academy MNH Sheet of 20 in Post Office Packaging is a 37 cent stamp issued in 2004 by the United States. It features a multi-color design related to military and war themes, specifically highlighting the Air Force Academy. The sheet is in Mint Never Hinged (MNH) quality, preserving its pristine condition. The stamps are certified as Uncertified and come in a sealed post office packaging, making it a collectible item for stamp enthusiasts and collectors.