In the precancel community, a postcancel is a cancel that is NOT a recognized precancel [even though it might look like one] . When stamps are on-cover, they are pretty easy to distinguish as they usually extend onto the cover. When off-cover, they can be tricky and most of them are listed in the Cummings reference.
Disclaimer: While a tremendous amount of effort goes into ensuring the accuracy of the information contained in this site, Stamp Community assumes no liability for errors. Copyright 2005 - 2026 Stamp Community Family - All rights reserved worldwide. Use of any images or content on this website without prior written permission of Stamp Community or the original lender is strictly prohibited. Privacy Policy / Terms of UseAdvertise Here