Well.. three things came from that sleuthery (did I just invent a word, or did it exist already?)
1) we now know the buyer got it, so that's why he never bothered to answer my emails.
2) you now know I don't make elaborate stories up.
3) you now know how much profit there is in autographs!!
I've a 100% true story connected to Lucan.
I once bought a signed (by Lord Lucan - it just said 'Lucan') Midland Bank cheque, made out to Harrods (for about £160) which was written and cashed early in the same year he disappeared.
I kept hold of the cheque for about 4-5 years, then advertised...