A Japanese inscribed cup by Otagaki Rengetsu (1791-1875), Edo period (1603-1868), Pinch potted in Kyoyaki clay, the unglazed base modelled as the base and stem of a lotus leaf, with fine underglaze iron brown waka poetry. Signed Rengetsu. Together with an inscribed Japanese wooden box with authentication on the underside of the lid (unread), 8.5 cm high, 8 cm diameter,