I think all but the buffet car are mk2 coaches, and the buffet/restaurant coach is a mk1. They have been repainted, fairly poorly, in maroon.
HORNBY TRIANG RAKE of 2 R436 LNER REGION THOMPSON TEAK BRAKE/3rd COACHES Rn1870
TRIANG HORNBY AIRFIX RAKE of 3 BR LMS MAROON MK1 COMPOSITE & BUFFET COACH oj
TRIANG HORNBY R740 RAKE OF 2 BR BREAKDOWN TRAIN UNIT RIDING COACH om
TRIANG RAKE of 7 BR MAROON CREAM COMPOSITE & BRAKE COACH om
Triang Rake of Coaches
TRIANG RAKE of 4 BR MAROON CREAM COMPOSITE & BRAKE COACH om
