Watch List notes:

(g) Elizabeth II (1952-2022), 'Capital Cities of the United Kingdom', Commemorative Gold Proof Pound 4-Coin Set, 2010-2011 (4), by Ian Ranklin Broadley and Stuart Devlin, fourth crowned portrait right, rev. heraldic devices of the Cities of Cardiff, edge italic-lettered upwards and milled: Y DDRAIG GOCH DDYRY CYCHWYN, 19.61g, 12h (Cert. 387 of 524 issued); London, similar, edge italic-lettered downwards and milled: DOMINE DIRIGE NOS, 19.61g, 12h (Cert. 469 of 950 issued); and, Belfast, similar, edge italic-lettered downwards and milled: 'PRO TANTO QUID RETRIBUAMUS', 19.61g, 12h (Cert. 624 of 585 issued); and, Edinburgh, similar, edge italic-lettered downwards and milled: 'NISI DOMINUS', 19.61g, 12h (Cert. 440 of 499 issued) (Spink J28, J29, J30, J31), an exceedingly rare composite Gold Proof Set of the 'Capital Cities of the United Kingdom', unlisted as such in the Spink Catalogue, minor wisps on obverse of London and Edinburgh (the Key Type), otherwise brilliant uncirculated and very rare, in Royal Minted custom case of issue (4).

Estimate: £4000 - £5000