Elizabeth II, Gold Proof 50 Pence, 2022, Innovation in Science Series - Alan Turing, Llantrisant Mint, by Jody Clark and Matthew Dent and Christian Davies, fifth effigy of the Queen, rev. a stylised Enigma code, edge plain, 15.50g, 12h, in NGC holder, graded PF69 ULTRA CAMEO (Cert. #8537654-003)
Only 168 Pieces Issued! Only 4 Finer, this a candidate for Conservation.
