A Distinguished Collection of Jade Carvings, Lots 501-530 A GROUP OF ELEVEN THUMB RINGS Qing Dynasty Comprising: two tubular rings, each carved in low relief on the exterior with stylised ruyi motifs, the stones of black and green tone, and mottled pale green and brown tones, respectively; a cong-shaped ring, the surface left undecorated, the stone of white tone with grey and brown inclusions; a white jade ring with a flattened black side; and seven tubular rings with plain surfaces, the stones of green and brown tone, green and reddish-brown tone, green and dark brown tone, greyish-white tone stained black in areas, mottled beige and chestnut tones, black and brown tone, and reddish-brown tone mottled with celadon inclusions. The largest: 3.2cm (1 1/4in) diam. (11). 清 玉扳指一組十一件