This is a set of four olive green milk glass mugs by Anchor Hocking Fire-King. They are white milk glass with green fired on paint on the exteriors. Each is 4" tall and 3" wide. They are in excellent condition with no chips or cracks or wear to the paint. The base of each is embossed "Anchor Hocking Fire-King Oven Proof Made in USA" with the anchor and H mark. Ranger mugs were made in the 1970s-80s. They have a barrel shape, I don't know where the Ranger name comes from.