You are bidding on a nice looking, hard to find, only 100 made, MTH O Gauge, large barely used, diecast MTH Premier 4-6-6-4 670 Clinchfield Challenger Steam locomotive body in the pictures. 18 1/4 inches long and weight a ton. Nice heavy body, no boiler cover, bent/damaged lower rear step, light paint wear. Zoom in for details.