George IV (1820-1830), Sixpence, 1828, bare head left, rev. lion on crown, milled edge, 2.82g, 6h (Bull 2438; ESC 1665; Spink 3815; ), die flaw through I in GEORGIUS, lightly cleaned and with surface friction, otherwise residually lustrous, a bolder very fine, the forgotten Key date of series with only 15,840 pieces reportedly struck.
Estimate: £60 - £100