Watch List notes:

PF66 ULTRA CAMEO | Elizabeth II (1952-), Proof Silver Piedfort Fifty Pence, 2009, 250th Anniversary of the foundation of the Royal Botanical Gardens, Kew, struck in Cupro-Silver (Ag 92%; Cu 8%), ELIZABETH. II D.G. REG. F.D FIFTY PENCE, crowned head right, rev. pagoda, 1759 left, 2009 right, plain edge, 12h (Spink H19), brilliant and as struck, in NGC holder, graded PF66 ULTRA CAMEO (Cert. #6135255-021) and with Metallurgical Analysis Certificate.

Estimate: £60 - £100