Proto 2000 Series HO Scale E7 diesel locomotive in original box. Features unrivaled accuracy, attention to detail, and superior performance. No. 21077 CB&Q #9924A. (A-Unit w/ Mars Light).  Train is missing a horn, otherwise looks C8 very light run time.  Box is bright, clean, square and solid with excellent styrofoam.  Unattached trim and literature included.