Highway Post Office Covers
| Cover |
 |
| Postmark |
 |
| Route Map |
 |
| SSCat Num |
C16-1-F |
| New Num |
C16 |
| Route Num |
16 |
| Route Name |
Baltimore and Washington |
| Trip Number |
1 |
| Trip Type |
First |
| Date |
1948-11-16 |
| City1 |
Baltimore |
| State1 |
MD |
| City2 |
Washington |
| State2 |
DC |
| Notes |
|
| Value |
$1.00 |
| Mileage |
113 |
| Qty |
4140 |
