The VHS of the last derby at Maine Road signed by the goat.
Signed 01/02 shirt also signed by the goat.
The iconic picture of Tony Book on Mike Doyle's shoulders with the cup in '69 signed by most of that team; Bell, Lee and Buzzer included.
Not that it would considered precious as such but I have Steve Coppell's autograph in a City autograph book somewhere. Considering the amount of time he was at the club it could be considered a bit of a collector's item. But then again maybe not!