Watch List notes:

George IV (1820-30), silver Pattern Halfcrown, 1824. Bare head facing left, date below in small figures, small letter Latin legend and toothed border surrounding. GEORGIUS IV DEI GRATIA ., rev. inverted die axis, crowned and crested helmet over quartered shield of arms, heavily garnished, with a crowned escutcheon of the Arms of Hanover, French language motto on banner below DIEU ET MON DROIT, small letter Latin legend and toothed border surrounding, BRITANNIARUM REX FID: DEF: edge obliquely grained, weight 14.17g (Bull 2391 R7; ESC -; Davies 195; cf KM695). Attractively toned, practically as struck, and the only known example, of the highest rarity, in NGC holder graded PF 63. We feel this coin is a little undergraded. Estimated Value $30,000

Ex Glendining, 4th October 1962, lot 173. Subsequently sold privately through Spink and Son in 1977 and 1997.
Ex Colin Adams, Collection of Halfcrowns, 1st December 2005, lot 625.

NGC certification 2722101-002.