This article concerns overprints on stamps and currency, for the use of the term in printing see Overprinting An overprint's the addition of text (and sometimes graphics) to the face of a postage stamp (or banknote) after it's been printed (although some overprints are solely in the selvedge area of souvenir sheets). Overprints have been used for many purposes over the years. They've been used as surcharges, commemorations, and control marks. Surcharges… (More on Overprint)