 The Piraeus Athena has been determined to be an original, and many believe that the Athena Mattei exposed in the Louvre is the sole existing copy of it, even though the position of the right arm is in a different position.There are various artists who have been thought to have possibly made the Piraeus Athena.Some say it could be the work of Cephisodotos, who is known to have made a statue of Athena during the fourth century BC.