George VI (1936-1952), Proof Two-Pounds, 1937, edge plain, 15.99g, 12h (W&R 437; Schneider II, 671; Spink 4075), brilliant, practically as struck Provenance From the Quinn Collection Purchased UBS (Geneva), 18 March 1991 - CHF840 NGC PF63 CAMEO (Certification #5879377-011) https://www.ngccoin.com/certlookup/5879377-011/63/