A 'Jian' 'hare's fur' teabowl, Southern Song dynasty. Estimate 60,000 — 80,000 HKD (6,798 - 9,064 EUR).  Photo Sotheby's

solidly potted, of tall conical form supported on a short foot, with a groove below the lip, covered with a thick, highly glossy black glaze with radiating iridescent silvery-blue striations, draining from the rim and stopping in a glossy black bulge above the foot revealing the dark greyish body beneath, the interior speckled with gold below the unglazed interior rim - 12.5 cm., 4 7/8  in.

PROPERTY FROM A PRIVATE JAPANESE COLLECTION, TOKYO 

Sotheby's. Chinese Art, Hong Kong, 03 déc. 2015, 02:00 PM