Don't plates legally have to have the name and postcode of the dealer where the car was purchased or the name and postcode of the company who manufactured the plates?
Mine does have the plate manufacturer details. Bottom right little black writing.
The photo is not high enough resolution to read the text, but I assumed it was the BS number in the bottom right as required by law.
Page 8 for anyone wishing to confirm - https://www.gov.uk/g...F104_160914.pdf
Oops. I think you're right. Sorry.