Covers with special or commemorative cancellations used temporarily by a post office.
These stamps are typically cancelled with special cancellations, and their first day of issue can be thus commemorated.
Postal workers will mark the 29-cent stamp, depicting a red ribbon, with a special cancellation.
At 40 post offices, the Postal Service is also offering a special dated rectangular cancellation.
Add postal history, special cancellations, collateral material such as banknotes and the like, and any potential interest is swamped.
The catalogs' publisher also issues catalogs for special cancellations.
If a special cancellation (one with a design) has been created for the event, you can generally only receive that cancel from the local post office.
In the late 1930's, as his career became less demanding, he began servicing covers designed by others, affixing stamps and arranging for special cancellations.
For another, collecting Christmas seals can lead to postage stamps celebrating Christmas, or special cancellations.
There also are any number of special cancellations, and the stamps issued by Christmas Island.