Mesa Boogie 50 Caliber EL84's No Reserve | eBay
Definitely left some details out of the description.
Seems fairly obvious to me that it's for the amp and the cab. Commas are your friends. That's a Thiele 1x12 as well, and i would not be surprised if it's an EVM12L in there.
That's a ridiculous dealů if i were close to that, i'd jump on it. But shipping 170 lbs. will be brutal.