Error stamps can be categorized as
- True Errors – occurs when one or more production steps are missed in certain production runs for a particular stamp. Examples include missing colors, missing perforations, multiple printings, and incorrect design orientations. In general, stamps with errors are generally command a much higher premium than the same in perfect condition and,
- Design Errors – are stamps with incorrect design including erroneous facts, language errors, and other design problems.
Oddities are stamps unusual in other respects. Examples comprise of unusual, misspelled, or inverted cancels, plate variations from worn-out areas in the printing plate or other causes, etc.
Below are nicknames for some of the most famous stamps with errors:
Last Updated: 07/2011.