Watch List notes:

HANOVER. George IV. 1820-1830. AR Crown (38.5mm, 28.43 g, 12h). London mint. Dually dated RY secundo and 1821. Laureate head left / St. George on horseback rearing right, holding reins and sword and slaying dragon to lower right. ESC 246; SCBC 3805. EF, toned, light marks.