【Product Description】 Fire King is heat-resistant glassware manufactured by the American company "Anchor Hocking" from 1941 to 1986. Fire King was widely used in American homes and restaurants at the time, and due to its durability and the abundance of patterns, with over hundreds of variations, it continues to be loved by many collectors in Japan and around the world. This product is a diamond-patterned mug manufactured around 1960-1976. 【Condition】 There are some scratches (photos 5-9) and a scratch (photo 10) on the diamond ♦️ print of the mug. In addition, there is some minor soiling due to aging.