Caramel Brown Slag Frog Covered Dish. This is a rare one because it will never be made again in this Slag. This mold was designed by David Schepps who is a renowned Frog Collector and was made by Boyd Art Glass. It is marked SCHEPPS on the base. There are 2 Frog on the top and Frogs all around the base. It is called Leap Frog. The detail is wonderful on this Covered Dish. It is 5 1/2" and is in wonderful condition. I do have several of these so the color might vary on the one you receive.