SASANIAN KINGS. Yazdgard I. AD 399-420. Silver Drachm (4.10 gm; 30 mm). Mint: letters recut over old letters TA (persumed to be The City of Taws or presently known as Toos in Khorasan Region of Iran). Bust of Yazdgard I on floral ornament right, wearing mural crown with frontal crescent and korymbos / Fire altar with ribbons, flanked by two attendants, Crescent and letter " w " left of flame and crescent and letter " h " right of flame, inscription on altar shaft, crescents and letter flanking flames (SNS type Ib1/1a var. 4 (pl. 55, 67) ; Göbl type I/1; Paruck -; Sunrise 915var. Extremely rare mint. Evidence of this mint exists from Bahram IV as well. Choice AU. Lightly toned.