overstrike

[ verb oh-ver-strahyk; noun oh-ver-strahyk ]
/ verb ˌoʊ vərˈstraɪk; noun ˈoʊ vərˌstraɪk /
Numismatics

verb (used with object), o·ver·struck, o·ver·strik·ing.

to stamp a new device, value, or inscription on (a coin).

noun

a coin that has been overstruck without complete obliteration of the original design.

Origin of overstrike

First recorded in 1900–05; over- + strike