Yes. Interesting. What my tanner was worth when ah were a lad (10 new pence) would be worth over £2 today.Interesting site here, http://www.woolworthsmuseum.co.uk/InflationSum.html.
The page I've linked to shows the relative value of sixpence (6d) over the years, but the whole site is interesting.
So my parents were more generous than I gave them credit for!