Watch List notes:

(g) Victoria (1837-1901), Golden Jubilee Proof Half-Sovereign, 1887, by J E Boehm and Pistrucci, 'Jubilee' bust left, rev. crowned high shield, edge milled, 4.00g, 12h (Spink 3866B; W&R 333; Montagu 1576), faint marks, otherwise brilliant with sublime cameo definition, much as struck, only 797 issued