2401 Scotrail Mk2 Tourist Second Open (TSO)Built between 1964 and 1975, the MK2 coaches were one of the highest number of coaches built for British Railways. These coaches were used all over the country by lots of different operators including Scot Rail, Network SouthEast, BR and even Network Rail. Seven different classes of coach were made using the MK2 design (MK2, MK2A, MK2B, MK2C, MK2D, MK2E and MK2F), each with their own unique characteristics and additions to the original design. Other