Soup Mug, Mara B. Beautiful Grapevine Design in New Condition. Vintage Hand Made

This is a one of a kind soup mug by Artist Mara B. There are other grapevine pieces but none of this type. Heavy stoneware, large bowl, it’s beautiful and hand made. She died in 2007. Studied in England. Width of bowl is 5.5 inches, depth inside 3.5, height is 4 inches. Base is 2 inches. I have searched and cannot find another soup mug but found some serving pieces. Signature is hand inscribed on bottom. Colors are tan, brown and grapes of a dark purple