not condoning messing around with the vin plate, but sometimes there are situations where you have to,
If you are pretty good with a stamp set you could make your own, but it's hard to make them look original, then the rivits used at the factory are not the same as the ones you buy at the hardware store,(if you grind them off on the backside, they can be reused to look right, a well placed dab of epoxy to hold everything in place) you need the right type of tin and a reversed stamp set, numbers are stamped from the bottom (raised on top)