A 'Qingbai' ewer and cover, Song dynasty. Estimate £8,000 — 12,000. Photo: Sotheby's

the well potted lobed globular body rising to a waisted neck flaring at the rim, set to one side with a slender curving spout opposite a strap handle surmounted with a small ring corresponding to a ring on the circular concave cover, covered overall with a transparent pale blue glaze pooling to a darker tone within the recesses, the base and footrim unglazed/ Quantité: 2 - 12.2cm., 4 3/4 in.

PROPERTY FROM A PORTUGUESE PRIVATE COLLECTION 

Sotheby's. Important Chinese Art, Londres, 11 nov. 2015, 11:00 AM