10th-12th century AD. A hollow-formed piriform blue-grey ceramic vessel with conical rim to the mouth, band of raised bosses and slashes to the shoulder. Cf. 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.; Ayalon, D. Gunpowder and Firearms in the Mamluk Kingdom, London, 1956, p.16. 552 grams, 13cm (5 1/4"). Private collection, North London; acquired in the early 1990s.