(i) signed and dated 'Roby Dwi Antono 19' lower right (ii) signed and dated 'Roby Dwi Antono 20' lower left graphite on paper (i) work 26 x 31.2 cm. (10 1/4 x 12 1/4 in.) frame 40.5 x 45.8 cm. (15 7/8 x 18 in.) (ii) work 33 x 33.5 cm. (12 7/8 x 13 1/4 in.) frame 46.2 x 46.2 cm. (18 1/4 x 18 1/4 in.) (i) Executed in 2019, this work is accompanied by a certificate of authenticity issued by the artist. (ii) Executed in 2020, this work is accompanied by a certificate of authenticity issued by the artist.