A rare Yixing drum-shaped teapot and cover late 17th / early 18th century

A rare Yixing drum-shaped teapot and cover late 17th / early 18th century, for the Tibetan market, each side pierced with a roundel of a bird in flight, the cover with an impressed band, the spout with a gold metal mount, 17cm. (2) Cf. Woolley and Wallis, 18th May 2011, lot 13 for a similar example from the collection of Arthur J. Harris. Provenance: from the collection of Peter and Susan Wain.