The Antique Katzinger Co Set of 3 Mary Ann's 3 3/8" Shell Pans is a vintage set of individual size baking pans, perfect for baking small cakes or custards. Made by Katzinger Co. in the United States, these shell pans are a collectible item that adds a touch of nostalgia to any kitchen. The set includes three pans, each measuring 3 3/8 inches in diameter, making them a versatile and unique addition to any bakeware collection.