An imperial white jade plaque Qing dynasty, 18th century, signed Zigang

with original coral and seed-pearl suspension bead, the small rectangular plaque finely inscribed in low relief with an inscription, followed by the two seals Zi and Gang, the reverse depicting figures in a garden landscape, the stone of even white tone; together with a fine white jade rectangular belthook, with a still life scene of fruits and flowers, the reverse with a projecting stud and hook (2)