This is a single mug in the Sierra, or Brown Drip pattern by Taylor, Smith, & Taylor. It is marked Taylor International USA on the base. The mug is 3 5/8" wide and 3 1/4" tall. It is in excellent condition with no chips or cracks.
Fire-King, Hazel Atlas, Pyrex, Indiana Glass, Porcelain, Pottery, Handbags, Jewelry, Kitchenware.
Happy New Year! Best Wishes for a happy, healthy, and prosperous 2017.