If it was a Sandman it is the second one to come up with the same mistake. The other was also an Acacia Ridge build but a HQ. The more ID plate data I collect the more common errors seem to be. Very few areas of the plates are immune, even the PSN part of tje VIN plate which is in my experience never wrong (as it appears to have been outsourced or under strict control) has been seen to be put on the wrong car (with the wrong stuff in front of the PSN) or even the VIN plates mixed up between adjacent cars.

It is also not unknown especially in HX-HZ for people to buy what they thought was a Sandman (as it had stripes), but to find out years later it was a Kingswood or Ambulance.