American Locomotive Company (Alco) RS1 #104 of the DSS&A circa 1962.
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