The tetradrachm silver coin issued by Seleucus I, who ruled West Asia as a heir following the death of Alexander the Great (Alexander III, reigned from 336 BC to 323 BC). On its front side is the portrait of the Seleucus (reigned from 312 BC to 281 BC) in helmet and on the back is the posture of Nike,goddess of victory, crowning the man-shaped memorial column of victory.