signed and dated '1992 Sadamasa [in Japanese]' lower left; further signed, titled and dated '"Four Triangles Backed in Red" [in Japanese] S. motonaga 92 1992' on the stretcher

acrylic and oil paint with synthetic resin on canvas

24.2 x 33.5 cm. (9 1/2 x 13 1/4 in.)

Executed in 1992.