SASANIAN KINGS. Yazdgird III (632-651 AD). Silver Drachm (3.98 gm; 33 mm). "Narmsir" mint, year 4. Obverse; sasanian bust to the right, name in front of face, reverse; fire altar with attendants, mint "NAR" Nahre-Tirak" or "Narmsir", year 4; Extremely rare mint for early years. Couple of minor hairline scratches on the obverse. Choice Good VF. Lightly toned.