Die-cutting Error: philatelic term for a deviation caused by a die-cutting error
Missing Die-cutting: postage stamp caused by an error without die-cutting at all sides
Partly Missing Die-cutting: postage stamp caused by an error with missing die-cutting at one or more, but not at all four, sides
Die-cutting on Reverse: postage stamp caused by an error with die-cutting on reverse instead on front
Die-cutting Size Error: postage stamp caused by an error with a different number of die-cutting elements