A Kashan minai pottery bottle vase, Persia, 13th century. Estimation 4,000 — 6,000 GBP. Photo: Sotheby's.

the body of globular form with raised bosses and tall cylindrical neck with flared mouth, decorated on a turquoise ground with blue, beige and burgundy with gold highlights, featuring roundels containing seated figures and four further figures to the shoulder, 'H.G.' inked on underside; 18.5cm. height

Sotheby's. Arts of the Islamic World, Londres, 22 avr. 2015