10th-12th century AD. A hollow-formed biconical grey ceramic vessel with conical rim to the mouth, band of raised bosses and slashes to the shoulder with stamp detailing. See Arendt W. Irene Granaten des 13-14. Jahrhunderts, die an der Wolga gefunden sind, Zeitschrift fur Historische Waffen-und Kostumkunde, 11 (1926-8), p.42; Arendt W. Die Spharisch-konischen Gefasse aus Gebranntem Ton, ibid.; and Ayalon D. Gunpowder and Firearms in the Mamluk Kingdom, London, 1956, p.16. 677 grams, 16cm (6 1/4"). Property of a London gentleman; acquired before 1995.