Stoneware Pottery Mug Artist Signed White Purple Green

Stoneware Pottery Mug Artist Signed White Purple Green It is signed by the artist, but it is difficult to read. It looks like the first name could be Selma and the last name could be More or Mare. If you know who signed it, please let me know! It is about 3.5" tall. Great condition. No chips or breaks. See pictures.