Greek Asia. Persia. Arab-Sasanian. Dabuyads of Tabaristan. AR Hemidrachm, 771-780 AD. Obv. Sasanian style bust imitating Khosrav II right. Rev. Fire altar flanked by attendants. Cf. SIC Ashmolean 410. AR. g. 1.74 mm. 24.00 R. Rare. Lightly toned. About EF. Provenance: