[verb oh-ver-strahyk; noun oh-ver-strahyk]Numismatics
verb (used with object), o·ver·struck, o·ver·strik·ing.
to stamp a new device, value, or inscription on (a coin).
a coin that has been overstruck without complete obliteration of the original design.
Origin of overstrike
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019