Seljuks of Rum, Silver Dirhem, Ghiyath Ai Din Kay Khusru II (AH634-643) Siwas Mint, Obverse: inscription around Sun above lion to right, (Sun in Leo) Reverse: Inscription in a square frame and around, 2.99 grammes, About EF and lightly toned, the reverse with slight weakness in places
Estimate: 100-200 GBP