A rare Dutch Delft blue and white flask, circa 1690-1701. Photo Sotheby's

by Adrianus Kocx, of slender form applied with four rope twist moulded handles and two lion masks to the sides, upon an oval foot, painted in blue with bands of formal foliate borders, a flowering garland with perching birds and a band of twisting Chinese dragons at the shoulder, AK mark in underglaze-blue for Adrianus Kocx of De Grieksche A (The Greek A) factory, some damage; 31.4cm., 12 in. high. Estimation 1,500 — 2,000 GBP

An example of this rare form is illustrated by Christopher Perlès, Céramique Anciennes, catalogue 13, no.21.

Sotheby's. The Gustav Leonhardt Collection, Property from the Bartolotti House, Amsterdam. London | 29 avr. 2014 - www.sotheby's.com