12th-13th century AD. A turquoise-coloured ceramic bottle with bulbous body, tapering neck with collars and tulip-shaped mouth with six flutes. See Carboni, S. & Whitehouse, D. Glass of the Sultans, New York, 2002. 956 grams, 28cm (11"). Property of a London gentleman; formerly with Mahboubian Gallery, London, UK; acquired before 1972.