SASANIAN KINGS. Shapur II (309-379 AD). Silver Obol (0.62 gm; 15 mm). Shapur's bust with standard crown turning right, reverse, fire altar with attendants, figure in the fire altar turning right,phrase "Ras(ti)" meaning "truth" on the shaft of fire altar. Sunrise 839. Choice EF. Lightly toned. Extremely Rare.