Толковый словарь английского языка Oxford English Reference - overprint

v. & n. --v.tr. 1 print further matter on (a surface already printed, esp. a postage stamp). 2 print (further matter) in this way. 3 Photog. print (a positive) darker than was intended. 4 (also absol.) print too many copies of (a work). --n. 1 the words etc. overprinted. 2 an overprinted postage stamp.