retrograde moneyer name in lower half
85mm (Vannel and Toderi 1987
of Earl Henry of Northumbria (1136-52)
flan imperfections in striking of reverse rim in two places
fields lightly mottled with a few light nicks
Elizabeth II 2017 gold proof Fifty Pence Isaac Newton retrograde moneyer name in lowerElizabeth II (1952 2022), gold proof Fifty Pence, 2017, struck for the 375thanniversary of the birth of Sir Isaac Newton, crowned bust right, JC below for designer Jody Clark, Latin legend surrounding, ELIZABETH II D. G. REG. F. D. 50 PENCE,rev. design by Aaron West, an interpretation of Newton's Proposition 11 from Book One of Principia Mathematica, accompanied by the inscription 'SIR ISAAC NEWTON' and the denomination 'FIFTY PENCE', weight 15. 50g