Two very rare Chinese agate carved bird fittings, Han Dynasty (206 B.C.-220 A.D.), for a similar example please see, Sparkling Splendours: the Art of ancient Chinese carvings on rock crystal and agate, the Taoshi Zhai collection, no. 128, p. 148. 5 x 3 cm and 3.9 x 2.5 cm. Provenance: a private collection, Hong Kong, acquired in the early 80s.