Silver Sassanid Coin
Silver Sassanid Coin 2

Silver Sassanid Coin is a treasure in Uncharted 3: Drake's Deception found in The Citadel.

It can be found in the very beginning of the chapter. After climbing around the main gate of the citadel, you will come to a part of the walkway that is damaged and blocked off with a fence. Climb and fence and dangle down. You should see the treasure on the molding of one of the arches that compose the walkway.