This is a rare 1963 export model - the early version with the internal tag board to switch voltages.  I'm going to assume you know all about the 6G6-B Bassman, the one favoured by Brian Setzer & Little Barrie and a whole host of other great guitarists.  This a great one, the head is almost completely original, aside from a replaced choke and some caps (filter, bypass, bias).  All the original 8 blue Molded caps are still present, including a pair of the super rare 0.25mfd tones caps. The two screen grid resistors have also been replaced (the originals were a bit undersized and often burnt out).  Both transformers are dated from the 37th week of 1963. All the cosmetics look original with no visible cracking on the knobs. This is about the best possible head you could find for a UK player.

The cabinet matches the head, we have no reason to believe they haven't been paired together since they were first sold.  Very unusual to find a matching UK voltage piggyback because the costs of bringing a cab ashore were prohibitive for regular folk.  The cab has the original 12M6 Oxfords dated week 36, 1963.  Oxfords from this period are many people's favourite Bassman speaker, they have more low end punch than the Jensens.  These speakers sound amazing but be aware they have not been reconed so I would think twice before hitting these with a dimed bass.   I'll leave to the next owner to decide whether to change these out for a modern speaker and protect the value of the originals.  There are a couple of small holes in the grille cloth, which are visibile in the photos.

This is as good a rig as you could ever dream of.