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), small black mark to pagoda, otherwise brilliant and as struck, in NGC holder, graded PF66 ULTRA CAMEO (Cert. #6135255-020) and with Metallurgical Analysis Certificate.

Estimate: £60 - £100