Marshall JCM 50/25 MODEL 2553 jubilee series near mint condition head for sale. 1988 (so black tolex not silver 1987) . Looks like JM initials inside on circuit board when last serviced and unused and wrapped up in cotton wool since!..pics available. Am a new member as of today! So trying to post an ad !! Dont knoe how to add pictures. Offers invited as unsure of value. Based in UK can post if need be.