The Märklin H0 4291 is a detailed 1:87 scale model of the Am 203 express train passenger car, representing a 1st class coach of the German Federal Railroad (DB) from Epoch IV (circa 1965–1990).
Model Number: 4291
Prototype: DB Am 203 (UIC number: 51 80 10-40 212-2)
Scale: H0 (1:87)
Length over buffers: 27 cm
Color Scheme: Beige/ocean blue (typical for DB in the 1970s–80s)
Material: Plastic body with interior detailing
Lighting: Some versions equipped with interior lighting via current-conducting couplers
Control System: Analog
Power Supply: AC, compatible with Märklin's 3-rail system
Production Period: 1989–2000