Yeoman, P.S. Modern World Coins, 12th ed. Racine, Wisconsin: Western Publishing Col, 1979.-D22? Or possibly intended for coinage of murad V as only years 1 and 8 are known of this type for Abdulhamid II.
Yeoman, P.S. Modern World Coins, 12th ed. Racine, Wisconsin: Western Publishing Col, 1979.-C22, or possibly for Murad V, cf. Pere, Nuri. Osmanhlarda Madeni Paralar. Istanbul, 1968. 975.