I met him and spoke for some time with the three of them at a Reading show... my prog is personalised by each of them and that's one item I don't intend to part with...
I did sell a signed Zep "ticket" for near that figure, but £'s, not $'s - as it was circa a year after Bonzo had gone and I had all three of them, and Grant, and a certain Cozy Powell... everyone thought they were going to announce a new drummer and it became a Zep legend... I've kept a high quality scan of it but the only time I printed it off I gave it to Scott as a thanks for some stuff he sent over...
Jackie junked hundreds of country sigs she had... she did see Cash but can't remember if she had his... not her thing, now...
Ken, you ought to be able to profit handsomely from your photo collection.
I paid 10p (15c) a slide... the 10x8's were that price too... I hope for a reasonable return too, Dave...