Fath 'Ali Shah (1210-1250 AH/1797-1834 AD), 5-Tomans, 23.97g., struck at Isfahan, dated 1227 AH (Rabino, Album pl.42.36 (wrongly dated 1221; cf KM.746), probably removed from a ring mount as the periphery is rather weak, edge re-engraved, about extremely fine, rare