Steam’75, Stockton&Darlington 150th Anniversary Souvenir Edition, Good Condition. As can be seen from the photos, this item is in superb condition. Steam’75 is The Official A.R.P.S. Year Book & Steam Guide for 1975, featuring a wide range of colour and black and white photos from that era. This is a real collectors item and features some top quality spread photos as the pictures can attest too.