Electro-Motive Division (EMD) GP9 as it appeared circa 1979 on the Butte Anaconda & Pacific. This railroad is a fascinating short-line that is still in operation in Montana. I would recommend checking out their Facebook page by clicking HERE, after you're done buying mugs, of course...
This 15oz mug is microwave safe, dishwasher safe, and made of durable, high-quality ceramic.
Capacity = 15 ounces
Height = 4 7/16 inches
Diameter = 3 3/8 inches
Width at handle = 5 inches