The calendar is in excellent condition as I don't think it was ever used. There is a different locomotive for each month but I only show a few of them.
GM EMD General Motors Eletromotive Division Locomotive Builder's Plate
Unused 2000 GM EMD Electro Motive Locomotive Building for the Century Calendar
Bachmann OO Gauge GM/EMD Type 5 / BR Class 66 Co-Co Locomotive Motorised Chassis
