A tall-necked blue glass bottle, Persia or Syria, 11th-12th century

the bulbous mould-blown body and narrow tapering neck, decorated with applied trails of the same coloured glass around the neck and in a lattice pattern on the body, kick base with pontil 

For comparable examples in the al-Sabah collection, see Carboni 2001, cat. nos. 3.26a-f, pp.191-193.