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Lot Essay
The decorative technique employed on this glass is that of cold painting; that is, unlike the enamelling technique where the vitreous enamel is fused with the glass surface of the vessel under heat. In cold painting the pigment is applied cold and for that reason is fugitive.
This technique was practised in Egypt in the 11th and 12th century before the technique of enamelling was discovered, however, these are different from those of Egypt and may have been made somewhere in Khorassan. A number of similar bottles in this technique have recently been found in Afghanistan and have been dated to the 12th century (see Pinder-Wilson, R.: 'Polychrome decoration on glass from Khurasan' in Ward,R. (ed.): Gilded and Enamelled Glass from the Middle East, London, 1998, pp.12-14, fig.4.7 and 4.1).
This technique was practised in Egypt in the 11th and 12th century before the technique of enamelling was discovered, however, these are different from those of Egypt and may have been made somewhere in Khorassan. A number of similar bottles in this technique have recently been found in Afghanistan and have been dated to the 12th century (see Pinder-Wilson, R.: 'Polychrome decoration on glass from Khurasan' in Ward,R. (ed.): Gilded and Enamelled Glass from the Middle East, London, 1998, pp.12-14, fig.4.7 and 4.1).