Vintage Studio Handcrafted Art orders Pottery 3 Black Glazed Stoneware

Vintage Studio Handcrafted Art Pottery 3 Black Glazed Stoneware Water/Wine Goblet, Artist signature on the bottom but no information on the artist was found. A well handcrafted glazed in perfection art pottery that is functional and decorative. It could be used as a wine or water goblet or an eclectic décor. Great to excellent condition w/o any chips, nor breaks measurements: 6.75” T X 5” W X .25 D, it holds 8 fluid ounces, each cup orders weight .66 onz or 2Lbs for 3 of them, no original box, no tags.