A monochromatic ink work of rarity, Bamboos and Rocks bears long commentaries by artists, critics and collectors, reflecting their admiration of Su.

The painting was presented to a panel of prominent experts, including Xin Zhiliu, Qi Gong and Xu Bangda, for authentication of important classic Chinese paintings in the early 1960s. It received divided opinion on whether it was a genuine work of Su, and Deng collected it despite the mixed views.

The uncertainties surrounding the painting have inspired more interest among people who are likely to visit the show for a view of it.