This article or its infobox is missing one or more images. You can help the Uncharted
Wiki by uploading
The Persian Leather Notebook Case is the 58th treasure found in Uncharted 4: A Thief's End. It is found in At Sea.
Head to the back of the larger island. Between the two arches is a ledge that can be reached by jumping on top of the boat. Climb the wall to get the treasure.