A Chinese Rock Crystal container, 907-1125, Liao Dynasty. In the form of sleeping swan, with crystal stopper and gilt-silver chain, original inclusions in the translucent stone. 5.5 cm length. Provenance: Queensland private collection; ex R & V Tregaskis, 4/1/2006. See 'A Selection of Liao Objects', exhibition in Beijing, 2002, Isbn 7-80057-442-3/Z.264, p162 for an almost identical example in red agate