Ryohei, Tanaka (Japanese, 1933-2019). YOGO. Etching and aquatint printed in tones of green, 1966. Edition of 50. Numbered 23/50, signed, and dated in pencil.11 1/2 x 14 1/4 inches (plate), plus full margins. Framed to 18 3/4 x 20 3/4 inches. In Excelelnt condition.