Much sought after 1x12 combo version of the 2204 head. If you look on youtube there are lots of great vids of this amp.
Marshall JCM800 2204 50W complete Piher resistors kit 1/2W - 2W
Vintage Marshall JCM800 2-Button Foot Switch Reverb Boost 2205 2210 3210 3310
Vintage Marshall JCM800 2-Button Footswitch Pedal - Reverb & Boost
Marshall Origin 50W Valve Amp Head, with Footswitch + Hotcovers Cover
Marshall MG50FX 50W Guitar Combo Amp with BuiltIn FX & Footswitch – 1x12 S/State
Marshall AS50D 50W Acoustic Soloist Combo Amplifier