| Thumbnail |
 |
| Catalog Number |
3838 |
| Description |
U.S. Air Force Academy, 50th Anniversary |
| Denomination |
37c |
| Color |
Multicolored |
| Variety |
2004 US Commemorative Issue |
| Printer |
Sennett Security Products |
| Years |
2004 |
| Sorter |
5051 |
| Ebaylink |
http://www.ebay.com/csc/United-States/261/i.html?_armrs=1&_from=R40&_pcats=260&LH_Complete=1&LH_Sold=1&_nkw=%233838+US&_sop=16 |
| HiRes |
 |
| Type |
Reg |
| Detlink |
https://stampsmarter.org/PNT/watermark/nowatermark.jpg |
| PicDetlink1 |
https://stampsmarter.org/PopupStampId/PB.aspx?ScottNumber=3838 |
| Date Issued |
4/1/2004 |
| Perforation |
SDC 10¾ |
| Watermark |
Unwatermarked |
| Num Produced |
60 million stamps |
| Paper |
Prephosphored |
| Printtype |
Gravure with Srambled Indicia |
| Gum Type |
Self Adhesive |
| Series |
|