This Vintage Federal Coffee Mug is a classic piece of dinnerware made of white milk glass, showcasing a novelty pattern. With a capacity of 11 fluid ounces, this heat-proof ceramic mug is microwave-safe and perfect for enjoying your favorite hot beverages. The mug is 3.5 inches in height and is marked with the brand "Federal." Made in the United States, this one-of-a-kind coffee mug is a charming addition to any kitchen or dining area.