KENJIRO AZUMA (1926-2016) Four prints

I. signed and dated ‘Azuma 1974’ (lower right) and numbered 24/89 (lower left) II. Signed ‘Kengiro Azuma’ (lower right) and numbered IX/X (lower left) III. Signed and dated ‘Azuma 1974’ (lower right) and numbered 57/89 (lower left) IV. Signed and dated ‘Azuma 1974’ (lower right) and numbered 87/89 (lower left) 62 x 46.5 cm, 69 x 49.5 cm, 62 x 46.5 cm, 62 x 46.5 cm