SASANIAN KINGS. Shapur III. AD. 383-388. Silver Drachm (4.00 gm; 28 mm). Shapur III bust turning right, crescent symbol behind the head, reverse; fire altar with attendants, phrase “RUST(Y) meaning truth on the base of fire altar, extremely rare with crescent. No mint or date as typical for the issues. Choice EF. Toned.