Inflation.

[fred]

[Dave_]

I thought fuel was sold by the Gallon in those pre-metric days.

We used Pounds, Shillings. and Pence, d's not p's.

[joebloggs]

I remember the days when you got 110PHP to the £1

[fred]

I remember the days when you got 110PHP to the £1

Highest it got was 109.00 I think.
Provided amazing value at the time in the R.P and assisted my retirement plan aged 43.