Vintage Dru Holland Seafoam Blue Tulip Au Gratin Baking Dish 1970's LARGE 17"

Vintage Dru Holland Seafoam Blue Tulip Au Gratin Baking Dish 1970's. Large 17" Porcelain enamel on cast iron. 17" x 10" Marked #40 Made in Holland on bottom. Came across this in my storage boxes. Please us the pics for best description of condition and ask all questions before purchase. All of my items are sold as-is.