Vintage Mesa/Boogie amp lovers will find a host of detailed information on Ian Dickey’s site called The Boogie Files. Everything you wanted to know about the Mark series amps with photos, serial number list and orginal Boogie literature. There is a special page with photos and information about the original Mark I used by Keith Richards of the Rolling Stones! A very comprehensive guide to those early Boogie’s. Credit: The Boogie Files.