A signed Roger Bannister typescript letter dated May 1954, thanking a supporter who had congratulated him on breaking the four minute mile at Iffley R

A signed Roger Bannister typescript letter dated May 1954, thanking a supporter who had congratulated him on breaking the four minute mile at Iffley Road, Oxford, on 6th May 1954, on St. Mary's Hospital Medical School headed paper, the reverse of the letter pasted an athletics programme signed in pencil by Arthur Wint, the gold medal winner in the 400 metres at the Helsinki Games of 1952 not illustrated