Watch List notes:

(g) PF69 ULTRA CAMEO | Elizabeth II (1952-), Proof Half-Sovereign, 2016, 'Celebratory Effigy', fifth portrait, by James Butler and Benedetto Pistrucci, 12h, edge milled (S.SB10), brilliant uncirculated, an imaginative rendering, one of the first 75!, in NGC 'First Strikes' Holder, graded PF69 ULTRA CAMEO (Cert #4299442-024).

Estimate: £180 - £220