SASANIAN KINGS. Shapur II. (309-379 AD) PB (Lead) Unit (2.20 gm; 17mm x 13mm). Shapur II bust turning right, unidentified monogram in front of face, reverse, fire altar with attendants and figure of Ahuramazda in the flame, no date. PB units are extremely rare for all Sasanian kings. Choice EF / Good VF.