'HER MAJESTY THE QUEEN'S SAPPHIRE JUBILEE 1952-2017' surrounding
inscription in exergue in two lines
ART UNION OF LONDON 1854 in exergue
three-line inscription between beaded lines with outer beaded border
George III 1775 pattern Half-Guinea, PF62, plain edge, third bust by Richard Yeo 'HER MAJESTY THE QUEEN'S SAPPHIREGeorge III (1760 1820), gold Pattern Half Guinea, 1775, engraved by Richard Yeo, third long haired laureate head right, Latin legend and toothed border surrounding, GEORGIVS. III . DEI. GRATIA., rev. struck en medaille, crowned quartered shield of arms, date either side of top crown, Latin legend and toothed border surrounding, M. B. F. ET. H. REX. F. D. B. ET. L. D. S. R. I. AT. ET. E., edge plain, weight 4. 72g (Selig 1150; Montagu 545; Murdoch 163;