For your consideration a Gibson GA20 1952.  This little "Gibby" amp can be run clean but it has the right breakup point without needing to be driven hard.  Today this amp is the "players" little secret and has gained an almost cult following.  A number of session folks have one in the arsenal .  We will make playable every one we find.....  This was one of two from the owners stash.  The amp is  very good condition given its age and has been serviced over the years to keep it running right,  but critical parts, transformers, speaker and cosmetics are original.  The amps are a great value for the player and collector and are relitively easy to service which is not the case with some of later gibson amp.