VINTAGE O SCALE MODEL TRAIN ENGINE BIG WHEELS LIONEL? MARX? AMERICAN FLYER?

Don't know anything about model trains, just picked up a large amount of Lionel, American Flyer and Marline(Marx) trains and parts at an estate auction that I am listing and will gladly combine shipping on multiple wins. Don't know the maker of this engine part or if it is in operating condition, so bid accordingly.

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