Anty, I'm not sure. I've been trying to figure this out for a while now. It's not marked as a Tribute anywhere that I can see, and it's post-2000. That's all I know. There are no faults at all with it, and it has a 4 way selector switch fitted.
Reallybigmcc,the Marshall's 2006. She's got a chunk of wood out of the enclosure (it was a drummer-related injury), but She still plays as normal.