Mushroom Glazed Pottery Dish Artist Signature

Condition- Excellent/ No chips or cracks. Material- High Glazed Clay Color- Cream, Tan, Brown, Black & Red. Size- 6.75" Wide x 9.5" Tall x 1.25" Deep Info - I have tried to research this item but came up with nothing. I don't think this is a hobbyist piece because of the signature. I could try to get it appraised but that can get pricey. Lot#0299