TABERISTAN, Khalid ibn Barmak, year 117. AR Hemidrachm (2.04 gm; 23 mm). Obverse; Sasanian bust to the right, name in Pahlavi in front of face, phrase APD in Pahlavi in the second quarter. Reverse: fire altar with attendants, mint “TPURSTAN (Tabaristan)” on the right, date: 117. The period coincides with reign of 2nd Abbasid Khalif; Al Manusr (754-775 AD). Choice FDC. Fully lustrous.