Re: And this ladies and gentlemen...
A friend of mine in the UK had a normal registration endng in OTT*.
The UK didn't use the "O" as the year identifier (Along with a few others).
https://www.autobulbsdirect.co.uk/blog/car-registration-years-chart/
*I still recall it in full, One of those quirks of my memory for recalling near trivial stuff, but not always important stuff