Ooh Ooh! What a nice site! Thanks for posting the link. The first link I clicked on brought this up, what a beauty:

I had a sniff of a 1960 Holdsworth track bike recently but the owner went off, did his research and found out it was worth hundreds... not the £80 I offered him

As for the Brooks B17 (and B17 narrow) I wouldn't ride far on anything else these days. I know what I'm talking about, I once rode across Britain on a Selle Flite:

This is a BAD memory

GC