REAL Clam Shell Serving Dish & 8 Half-shall Portion Shells For Seafood, Shrimp. Here I offer a real, beautiful half clam shell as a serving dish along with 8   4" half-shell portion dishes. These are real shells, in excellent preowned condition. Used by not abused The large shell is 11" wide by 8" deep and over 3" high. Makes a nice bowl for seafood salad, or serving your favorite Hors D'oeuvre. All for one money, WYSIWYG View my pictures, ask questions, bid for it.