Highway Post Office Covers
| Cover |
 |
| Postmark |
 |
| Route Map |
 |
| SSCat Num |
C293-21-F |
| New Num |
C293 |
| Route Num |
220A |
| Route Name |
Caribou and Boston |
| Trip Number |
21 |
| Trip Type |
First |
| Date |
1960-02-07 |
| City1 |
Caribou |
| State1 |
ME |
| City2 |
Boston |
| State2 |
MA |
| Notes |
|
| Value |
$1.00 |
| Mileage |
411 |
| Qty |
28 |
