Elizabeth II (1952-2022), Sterling issues, Uniface Pattern Double-Florin or 20 Pence [1963], by A. Machin, in silver, legend starts at bottom, edge grained, 26.62g (L & S 11 var.). A few light surface marks, otherwise about as struck, very rare £1,000-£1,200

DNW Auction 84, 10 December 2009, lot 340

This pattern normally occurs in cupro-nickel.