You are looking at an interesting American Flyer accessory that was made prewar AND postwar, so it can go with O or S.
It was a neat concept--a passenger station, Mystic, along with a working crane on the premises for your freight needs.
Flyer made this item prewar and postwar and with different variations. THIS one has a brown painted door and brown painted platform. Please look at the pictures closely.
CONDITION: C-6+. Shows oxidation, signs of use, playwear and some surface rust. Roof is a little dirty. May have touch base paint. Crane looks good and has crank, etc. Not sure if brown paint is original, touched up or repainted. "Mystic" printing is a little faded from handling. Looks good.