A Reddit thread included some pictures that purport to be from 7/11/1991 at Battery Park in Burlington, VT. Trey has the Boogie Mark III Long Head, the (already well-worn) Languedoc 2×12, and a small pedalboard that appears to include at least one Tube Screamer. The guitar is Blonde No. 1, aka, “Who’s the Mar-Mar?” The pictures are below.
The following pictures are from Amy’s Farm on August 3, 1991 and show a similar rig:
Trey's Guitar Rig 
Nice kicks!
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Any idea on what kind of tubescreamer that is? Call me crazy, but the picture makes me think of a TS10.
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