SASANIAN KINGS. Shapur II. AD 309-379. AE Unit (3.34 g; 24 mm). Mint V (Sakastan), ca. AD 320. Bust of Shapur II right, wearing mural crown with korymbos and inner ribbon, symbol to right. Rev. Fire altar with ribbon, flanked by two attendants, each wearing mural crown with korymbos, Pahlavi letter "S" to right of altar, symbol and trefoil of pellets on altar shaft, pellets flanking staff of right attendant. Well struck on a nice broad flan. Brown reddish with some green patina. Choice VF / F. Very Rare.