Electro-Motive Division (EMD) GP9 #1723 in a circa 1983 variation of the blue/black/white scheme of the McGinnis-era Boston & Maine.
This 11oz mug is microwave safe, dishwasher safe, and made of durable, high-quality ceramic.
Capacity = 11 ounces
Height = 3 3/4 inches
Diameter = 3 3/16 inches
Width at handle = 4 7/8 inches