Electro-Motive Division (EMD) GP9 #1723 in a circa 1983 variation of the blue/black/white scheme of the McGinnis-era Boston & Maine.
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