George IV. 1820-1830. AR halfcrown. 14.03 gm. 32 mm. 1828. His bare head left (second head); GEORGIUS IV DEI GRATIA 1828 / Crowned shield with a crest on top; BRITANNIARUM REX FID: DEF:. S. 3809. ESC 648 (S). Good Very Fine; reverse better; slight edge bruise on obverse; rare date (key in this series).