|Produced by Lionel in 1973, Chessie System/B&O GP-7. Engine had a special gold paint scheme celebrating General Motors 50TH anniversary. FEATURES: blue B & O and GM 50 lettering, lighted interior, three position E unit, can motor, plastic molded body, metal frame and railings, die-cast trucks with operating couplers, and classic gold paint scheme. When it came out in 73, this was one of the most desirable engines. One of the best looking engines made during the MPC era.