Elizabeth II (1952-2022), Decimal issues, 25 Pence, undated [c. 1981], a struck cupro-nickel blank, edge plain, 4.91g. Virtually as struck, extremely rare £60-£80

Joanna Tansley Collection, DNW Auction 67, 28 September 2005, lot 434; DNW Auction 75, 26 September 2007, lot 593