HANOVER. George IV. 1820-1830. Proof Pattern AR Halfcrown (32mm). Dated 1824. GEORGIUS IV DEI GRATIA, bare head left; · 1824 · below / BRITANNIARUM REX FID : DEI :, coat-of-arms surmounted by crowned helmet with garland; below, banner reading DIEU ET MON DROIT. Edge: plain. Davies 190; Bull 2836; ESC 639B; cf. SCBC 3809. In NGC encapsulation 5916405-003 graded PF 64. Attractively toned with considerable underlying luster. Extremely rare.
Ex Baldwin's FPL (Winter 2009), no. BM077.
No example of this rare pattern has sold at auction in the past ten years.