Christie's; Large Pair Late Ming / Early Qing Dynasty Gilt Bronze Duck Censers, the bases shaped with webbed feet, the covers with an air hole at the back and the duck neck hollowed to mouth for escaping incense; two feathers on each back curled to hold a handle, now missing. Wear to gold and exposed bronze. Height 13 1/8 inches (33.4 cm.). Length 15 inches (38.2 cm.).