{"id":"000801554","type":"book","title":"The medallion of Caliph al-Mutawakkil","publisher":"Royal Numismatic Society, Institute of Archaeology","publisher-place":"London","pages":"170-171","container-title":"Numismatic chronicle, 17.1977","author":[{"family":"Al-Qissy","given":"Nahidh A.R.D."}],"issued":{"raw":"1977"}}