I'd have kept the cheque if I thought the signature made it valuable, but he did so many signings that there were people who used to go along with books for him to unsign!
This entry was originally posted at http://lovingboth.dreamwidth.org/543664.html, because despite having a permanent account, I have had enough of LJ's current owners trying to be evil. Please comment there using OpenID - have and if you have an LJ account, you can use it for your OpenID account. Or just join Dreamwidth! It only took a couple of minutes to copy all my entries here to there.