Ryohei, Tanaka. BACK ENTRANCE. Etching, 1979. Edition of 150, signed, dated and numbered 117/150 in the margin below the image, and also titled in pencil near the bottom of the sheet, lower left. 5 x 3 7/8 inches, 127 x 97 mm., (image); 9 3/8 x 7 3/4 inches, 238 x 197 mm. (sheet). In excellent condition.