This is kind of unique as it is in a CD type case when flipped open it stands up on your desk. Each month has a different locomotive they made with information on the back.
EMD GM Electro Motive General Motors Locomotives 645 Engine Development - 1976
GM Electro-Motive Division Northern Pacific NP 6004 EMD F3 Engine Data Plate (BF
NOS 1961 EMD The Electro Motive Story GM General Motors Locomotives - 23 Pages
GM Electro-Motive Division Diesel Locomotive Truck Serial Plate G995 Apr 1951
Original 1958 GM Electro Motive Locomotives Calendar in Original Mailer Canada
GM Electro-Motive Locomotive Injectors Advertising Marketing Slide Viewer c1950s
