Lot of 27 Marx O Gauge tank, box, flat, hopper, gondola, searchlight cars. Markings include New York Central, Southern Pacific Lines, A.T.& S.F., Erie, and others. Different colors and styles.  Some have broken/cracked frame end at coupler, missing axle/wheel set, surface rust, one Cities Service 2532 tank body, etc.  Trains look C5 to C7.