TABERISTAN. Farkhan or Farkhonan, (716-732 AD), Year 91. Silver Hemidrachm (2.04 gm; 25 mm). Crowned Sasanian bust to the right, name in Pahlavi in front of the face, phrase APD in Pahlavi on the second quarter and phrase NYWK (per Pakzadian) on 3rd quarter, Reverse; fire altar with attendants, and stars flanking flames. mint TPURSTAN (Tabaristan) on the right, date 91 (scarce year). Malek 73; Cf. Album 55. Choice AU. Lustrous. Lightly toned.