Walthers Mainline, HO Scale, 910-1830, 50' ACF Exterior Post Box Car, Green Bay and Western, #7507

Prototypes seen from coast-to-coast 1974 to the present
Handles all types of general freight loading
Used by Railbox and dozens of others railroads
Correct Plate B dimensions: 41'3" Truck Centers, 15'2" Tall, 10'8" Wide