Does anyone have any colour photographs of the interiors of the interiors of the BR Mark 1RBR Restaurant/Buffet coaches built in 1960-61 to Diagram 24, by Pressed Steel (lot 30628, nos 1644-1699) and Birmingham RCW (lot 30512, nos 1701-1738), either in thier original layout as built with moveable seats or after their refurbishments in the early 1970s when fixed seats were installed?