Reg number, is it a PH'er?

[MotorsportTom]

Travelling on the A46 around half past 10 yesterday night and saw an old 3 series BMW with the registration number:

PH 0LD

Is this a PH'er car?

It's the first thing I thought when I saw it

[Neil H]

Poker player.

[TheEnd]

Someone with prostate cancer?

[HOGEPH]

An origami expert?

[Deano_BMW]

a really old person? (PH as an F)