Vintage Ugly Mans Face Pottery Brown Speckled Glaze Artist Signed Handleless Mug

Brand: Unknown Artist Signed Size: 3.25" D x 4" H Description: Coffee mug face has brown on the front w/a beige & brown speckled glaze on the back & most of the inside. Artist signed on the bottom, but I can't read it. Made in USA ?. Condition: In good pre-owned condition w/no chips, cracks or crazing.