You are bidding on an older HO Scale, early 1980s, Rivarossi Made in Italy, larger Pennsylvania 5887 diesel locomotive in the pictures. 9 1/2 inches long. Very good shape with light general body wear from use with a few chips on the lower body edge, missing 4 lower steeps, could use a cleaning and maybe maintenance, untested and sold for parts or repair.  Zoom in for details.