Marshall Lead 12 chassis and parts https://www.ebay.com/itm/Marshall-Lead-12-3005/202844177251?hash=item2f3a748363:g:nBEAAOSwB5Nd6l~M
SOOOOOOO tempted! By chance do you have a head cabinet to go along with it? With that, there's the basis of making a point to point wired interpretation of the 1 watt JTM1!