An unusual Chinese blanc de Chine gu-shaped beaker vase

An unusual Chinese blanc de Chine gu-shaped beaker vase, 17th century, 27cm. A similar piece was in the Hatcher Collection Christie's Amsterdam, lot 314, and another, found in the tomb of Wan Li is mentioned by Richard S Kilburn in 'Transitional Wares and their Forerunners, p.217. A further example from the Carl Kempe Collection is illustrated by Bo Gyllensvard in 'The Worlds Great Collections, Oriental Ceramics Vol.8', museum of Far East Antiquities, Stockholm, no.261.