Watch List notes:

Abbasid, al-Nasir (575-622h), dinar, Madinat al-Salam 591h, 4.51g (Diler p. 1143, citing Casanova, Collection Princesse Ismail, Paris 1896, otherwise apparently unpublished in the standard references), a little crimped, otherwise very fine and rare. Ex ICA 22, 25 September 2012, lot 3296.
(300-400 GBP)