Marx O Gauge Passenger Cars one 3197 Santa Fe observation, one New York Central 234 vista dome coach and one New York Central Meteor observation.  Santa Fe El Capitan observation is missing coupler and one axle/wheel set, otherwise train looks clean C6.  NYC trains are light and dark gray, excellent vista dome, observation car has a swapped rear truck assembly, otherwise trains look C6.  All three trains are clean, shiny and have window inserts with passenger silhouettes.