Märklin electric locomotive RS 900

Märklin electric locomotive RS 900
Built 1933-1939, marked and inscribed, green chromolithographed sheet metal, track 0, axle arrangement B, clockwork drive intact, driving forwards and backwards, with manual and automatic gearshift, an imitation headlamp, two rigid panthographs, grey roof and light buffers, used condition with minimal paint flaking, one canopy missing, l 19 cm.