The third part of 9th volume of SNG Turkey Project covers the coins of Mysia in the Özkan Arıkantürk collection; the previous ones covered the coins of Troas and Aeolis, respectively. The present volume has 1230 coins and is represented by more than 20 cities. The coins of the cities of Adramytteum and Pergamon constitute the majority of the coins in this volume. Among the Adramytteum coins, the largest group belongs to satrapal coins.