Great Synagogue Papyrus Puzzle
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All Assassin’s Creed: Origins Guides
To find the papyrus puzzle at the Iseion in Alexandria in Assassin’s Creed: Origins start at the entrance to the Iseion:

To find the papyrus puzzle start at the entrance of the Iseion.
The papyrus puzzle is at the back of the Iseion on a desk behind the statue:

The papyrus puzzle is on a desk at the back of the Iseion behind the statue.