The Isfendiyarid beylik, centered on the Kastamonu and Sinop regions of northern Anatolia, occupied an awkward geopolitical position for most of its existence — caught between the expanding Ottomans to the west and the Anatolian rivals to the east. Anonymous copper coinage of this type reflects the administrative reality of a small frontier polity: no ruler thought it worth stamping their name on the lowest denomination, yet enough trade moved through Sinop's Black Sea port to make striking it worthwhile.
The Isfendiyarid beylik, centered on the Kastamonu and Sinop regions of northern Anatolia, occupied an awkward geopolitical position for most of its existence — caught between the expanding Ottomans to the west and the Anatolian rivals to the east. Anonymous copper coinage of this type reflects the administrative reality of a small frontier polity: no ruler thought it worth stamping their name on the lowest denomination, yet enough trade moved through Sinop's Black Sea port to make striking it worthwhile.