Lot of 15 Marx O Gauge red Pullman trains; five Bogota, three Montclair, three Observation, two New York Central Lines 547 Express Baggage Railway Express, two New York Central Lines USM-1953 U.S. Railway Post Office U. S. Mail car passenger trains.  Several variations, some underside rust, some dinged roofs, oxidized observation railing, trains look C4 to C6.