I have a large 24″ charger Brown glaze stoneware with blue shapes and a woman’s face in a quarter moon shape. Her eye is the makers mark I believe. It has a black marker drawn on back which says Coyle/81. I think this was the auctioneer’s mark, not the maker. So far I can not find anything like this nor the mark. It is a quality made item, detail and arrangement of color is superb. Any one ever see anything like this or know the makers mark? Any help would be appreciated.