When did the black and tan livery disappear? c.75-76? I can only ever remember the Supertrain livery, and all the associated ads on TV.
As a 7 year old I thought the Mk2s were the dogs nuts compared to the laminates and cravens, not that I knew what they were called back then. More that the Lams. were the ones with the terrifying jangling and cranking corridor connections and the ventilators you could stick your heads out unsupervised on scout trips to Funderland....