FACT: ONLY MK-1 AND MK-II CARS UP TO 1083 WERE PRODUCED BY FAV/JWA IN PERIOD. THE LAST OF THESE WAS 1083. (AT LEAST ONE LATER CHASSIS NUMBER WAS A RE-BODY OF AN EARLIER CAR; THUS IT HAS AN ORIGINAL LOWER IN-PERIOD CHASSIS NUMBER 1004, AS WELL AS A LATER, IE OUT-OF-PERIOD, HIGHER CHASSIS NUMBER...