present participle of overprint

(philately) The addition of new text on a previously printed stamp, usually to add a surcharge or change the face value.

To print over what has already been printed. / (transitive, philately) To add an overprint to (a stamp). / (transitive) To print too many copies of.

simple past tense and past participle of overprint

plural of overprint

Third-person singular simple present indicative form of overprint