A CONTEMPORARY BIZEN STYLE CUP, SIGNED KO,20TH CENTURY, KOYAMA FUJIO (1900-1975), of cylindrical form resting on a flat base, the sides slanted inward above the foot, covered with a matte brown glaze with slight irridescense, in wood box inscribed Bizen sakazuki (Bizen cup), signed on the underside of the lid Koyama and dated Showa 43 (1968)--1 7/8 in. high; together with a completely broken stoneware cup in inscribed box by the same potter