overprint

v. print another color or additional material on a surface that has already been printed

n. act of printing another color or additional material on a surface that has already been printed; printing of an excessive amount; postage stamp which has been overprinted with additional information

For the recovery of public money see Surcharge (sanction on public servant) An overprint is the addition of text (and sometimes graphics) to the face of a postage stamp after it has been printed (although some overprints are solely in the selvedge area of souvenir sheets).[1] Overprints have been used for many purposes over the years. They have been used as surcharges, commemorations, and control marks.
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Noun
1. something added by overprinting
(synonym) surprint
(hypernym) print
(derivation) print over
Verb
1. print (additional text or colors) onto an already imprinted paper
(synonym) print over
(hypernym) print, impress
(hyponym) surcharge
(derivation) surprint

Information printed or stamped upon a map or chart, in addition to that originally printed, to show data of importance or special use. 1/7/72

Nouvelles indications imprimées ou marquées au tampon sur une carte donnant des renseignements importants ou d'un usage particulier, ajoutées à l'impression initiale. 1/7/72

New material printed on a map or chart to show data of importance or special use, in addition to those data originally printed.