English, Scottish and World Coins. Tokens, Tickets and Passes. Historical and Art Medals. World Banknotes

Victoria (1837-1901), Proof Half-Sovereign, 1887, edge grained, 4.00g/6h (WR 359). Minor surface marks, about as struck, brilliant, of the highest rarity (£4,000-5,000)

Believed to be the specimen illustrated by Wilson and Rasmussen