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Pressed Steel Class 117 3-car suburban dmu Nos.W51334 (117/2), W59486 (176), W51376 (117/1) in BR green with small yellow warning panel at Old Oak Common shed Open Day, 15 July 1967. Note the set number on the lower cab corner, sadly unreadable although it ends in a 4 and is likely R334. Hugh Llewelyn.
Do you have any images of the set you can add?