1977, oil on canvas, 53x45.5cm, signed and dated at lower left image, with a wooden box signed by the artist, framed.

with an authenticity certificate by KOISO Ryohei Authentication Committee.

Literature :
KOISO Ryohei, The complete oil painting works of Ryohei Koiso, Kyuryudo, 1988, P.376, No.646 (295) (titled "Woman" (1978)).
Ryohei Koiso Catalogue Raisonne, Tokyo Bijutsu Club, 2014, P.222, No.o-1193 (titled "Woman" (1978)).

The condition report is available upon request.