Sakamoto Koichi (born 1932) and Koike Nobuko (born 1937) Two etchings, one depicting two stylised bird silhouettes against a yellow sand and blue sky background, signed lower right and numbered lower left 33/50, the other depicting a shepherdess and her flock, signed N. Koike lower right and numbered 15/70 lower left (and title in Japanese), framed. H. 23.5 cm - W. 16.5 cm (inside frame) and H. 26.6 cm - W. 20.5 cm LDM