Stop in for a cup of coffee

New equipment on the way.
OMM got himself a metal stamp set for stamping sheet metal vin's. (that's a slippery slope there)
How could you remove the old stamping so you could stamp new numbers?

Put new metal in "I guess"? I would endorse that if for instance they are say replacing maybe "ONE OR TWO PLACES" on the car where the VIN "WAS". From there, the question to me would become, is the car "STILL A CAR" anymore, because it would have to be pretty tore up.