Vintage Antique Rockford Pewter 5" Porringer Deep Dish. Love vintage Pewter. It's called a Porringer Dish. This one is 5" diameter. Total measurement is 7 1/4" x 5"x 2" deep. They make other sizes of these too, so you can add or start a collection! Marked with the Rockford Pewter 238. What a great piece to own. Only 1 Available.