9th century AD
lapis lazuli, wheel cut; in gold mount
inscribed in an undotted Kufic script
4.6 x 4.6cm
The octagonal plaque bears the whole of the surah al-Ikhlas (CXII), which was held to afford the bearer protection against a wide range of evils and dangers.
J.M. Rogers, The Arts of Islam. Masterpieces from the Khalili Collection, London 2010, cat.72, p.82.