| Thumbnail |
 |
| Catalog Number |
5281 |
| Description |
Blue Air Mail Centenary |
| Denomination |
Forever (50ยข) |
| Color |
Blue |
| Variety |
|
| Printer |
APU |
| Years |
2018 |
| Sorter |
7215 |
| Ebaylink |
http://www.ebay.com/csc/United-States/261/i.html?_armrs=1&_from=R40&_pcats=260&LH_Complete=1&LH_Sold=1&_nkw=%235281&_sop=16 |
| HiRes |
 |
| Type |
Reg |
| Detlink |
https://stampsmarter.org/PNT/watermark/nowatermark.jpg |
| PicDetlink1 |
https://stampsmarter.org/PopupStampId/PB.aspx?ScottNumber=5281 |
| Date Issued |
5/1/2018 |
| Perforation |
SDC |
| Watermark |
Unwatermarked |
| Num Produced |
7,500,000 |
| Paper |
|
| Printtype |
Intaglio |
| Gum Type |
Self Adhesive |
| Series |
|