Highway Post Office Covers
| Cover |
 |
| Postmark |
 |
| Route Map |
 |
| SSCat Num |
C306-6-F |
| New Num |
C306 |
| Route Num |
233 |
| Route Name |
Willmar and Sioux Falls |
| Trip Number |
6 |
| Trip Type |
First |
| Date |
1960-05-23 |
| City1 |
Willmar |
| State1 |
MN |
| City2 |
Sioux Falls |
| State2 |
SD |
| Notes |
|
| Value |
$1.00 |
| Mileage |
|
| Qty |
411 |
