Unusual Blue and Green Lidded Pottery Dish Signed by retailer the Potter

This is a fine glazed pottery bowl or dish with round covered lid.the design leaves much to the imagination. It reminds me of large stingray on the top! Measures8 1/4 inches in diameter and 2 1/4 inches tall. signed by the potter on the bottom of retailer the dish. this is truly a beautiful skillfully made piece of pottery