This vintage 1971 Superman coffee mug by Federal Glass is a rare find for collectors of DC Comics memorabilia. The round, medium-sized cup features a painted Superman design on a white glass background, embodying the graphic style of the 1970s. With a capacity of 10 oz and a decorated handle, this mug is perfect for enjoying hot or cold beverages while showcasing your love for the iconic comic book hero. A unique piece of 1970s nostalgia, this original mug is a must-have for any Superman fan.