Fire King Vintage Mallard Duck Cereal/Chili Bowl and Mug. What a find - I love Fire King and I love ducks. Here they are together! This attractive vintage set was produced by Hocking in the 1950's or 1960's. The bowl measures 5" wide and 2 14" high and is known as the cereal or chili bowl. The mug measures 3 3/8" high and 3 1/4" wide. Both pieces are opaque or milk white and have a mallard duck decal decoration.