signed, titled and dated '"Computer controlled by pig's brain 26" Zheng Guogu [in Pinyin and Chinese] 2002' on the reverse

oil on synthetic cow skin

work 53 x 53 cm. (20 7/8 x 20 7/8 in.)
frame 57.2 x 57.2 cm. (22 1/2 x 22 1/2 in.)

Painted in 2002.