Watch List notes:

(g) 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/

Estimate: £1,000 - £1,500