Vintage Baking Dish, Fire King Style Number 441, Blue Cornflower Pattern

Vintage baking glass casserole dish, number 441. Believed to be Anchor Hocking Fire King, however Fire King is NOT marked on the dish. Bottom reads Oven-Proof Microwave Safe Made in USA 441. Dish measures approximately 11″ from end of handle to end of handle, about 5″ wide and about 2 1/2” tall.
Item is in good vintage condition, however there are a couple of stains on the inside. Please be sure to inspect pictures thoroughly.