Shops pr antique Czechoslovakian Ditmar Urbach alienware vases

9 inches. One vase has a chip on the base and a discolored spot (as shown); otherwise, there is no crazing and no cracks or chips. These are not signed or stamped "Ditmar Urbach," but they are numbered: 8, 10018 (70078?), IV and 23, 8176, V!. shops