This is a Hazel Atlas yellow pebbled finish milk glass platonite mug, with "have a cup on us" printed in brown several times, scattered on the surface. The mug is 3" x 3 1/8." It is not marked, but the size, shape, and pebbled finish are all indicative of Hazel Atlas. The mug is in excellent condition.
Fire-King, Hazel Atlas, Pyrex, Indiana Glass, Porcelain, Pottery, Handbags, Jewelry, Kitchenware.
Happy New Year! Best Wishes for a happy, healthy, and prosperous 2017.