George III (1760-1820), Pre-1816 issues, Proof or Pattern Sixpence, 1787, by L. Pingo, with semée of hearts, edge plain, 3.68g/12h (ESC 2212; Eimer 86; Selig 1228). Good extremely fine and toned, rare £600-£800

M. Gietzelt Collection, DNW Auction 151, 14 November 2018, lot 235