Electro-Motive Division (EMD) F7A #4265 of the Boston & Maine circa 1972.
This 15oz mug is microwave safe, dishwasher safe, and made of durable, high-quality ceramic.
Dimensions
Capacity = 15 ounces
Height = 4 7/16 inches
Diameter = 3 3/8 inches
Width at handle = 5 inches