American Locomotive Company (Alco) PA1 #0773 of the New York New Haven and Hartford. This is the as-delivered scheme used on later deliveries.
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