Postmarks are the pen marks, handstamps and machine cancellations used to deface stamps carrying mail. The uniqueness of the postmarks applied to a common cover can increase it's value to the collector. Looking for specific postmarks can add to the excitement of philately.
- First Scout Cancellations by Country HTML 101K WORD97 113K
- Designing and Obtaining US Cancels
- U.S. Precancel Scout Stamps
- U.S. Scout Bullseye Cancels
- Collect Something Else - Historical Date Cancellations
- U.S. Mailers Postmark Permit