Dash Swap

Assuming the vin and the hidden body numbers are in line with each other I personally would not have any issues swapping the vin from dash to dash.

There are others that will try to turn you in for vin tampering but I think their efforts are misguided.

You are not trying to re-body a high dollar car. Or make a high dollar car you are split replacing a removable part of the car.

The VIN should never have been attached to a removable part of the car in the first place.

67 and older it was riveted or welded to the A piller, modern cars it's not attached to the dash but the chassis at the dash level.

BUT....

Before you go any further, fine the other vin numbers on the car and be sure they match.

If the engine and trans are original to the car they (in 69 and up iirc) should have the full or partial vin.

The core support on the battery side of the car under the radiator sticker is another place to look, the drivers side trunk rail under the seal is another.

I think some years had the number stamped on the x member between the trunk and back seat or on the package tray behind the rear seat.