51233 59566 50172 - Noted on 30th December 1981
51467 59562 51526 - Noted on 30th December 1981
51466 59568 51535 - Noted on 6th February 1982
50528 59223 50560 - Noted on 27th March 1982 - on Stratford depot
50365 56415 - Noted on 27/03/1982 - at Stratford depot
50290 59303 50197 - Noted on 01/05/82
51244 59045 50174 - Noted on 19/07/1983 - in Edinburgh Waverley