Cancelled-to-order

For instance, it is missing additional postal markings typically applied to real mail.

An illegitimate practice related to CTOs involves deliberate misuse of cancellation devices to make a stamp appear used.

This form of philatelic forgery may involve use of rare types of canceling devices, unusual dates in postmarks, and so forth.

Another form of CTO is especially common in countries that try to make money from collectors by issuing large numbers of topical stamps.

Due to this, catalogs such as Stanley Gibbons only list modern issues of some countries as cancelled-to-order.