SINCONA BRITISH COLLECTION – PART 4. GREAT BRITAIN. VICTORIA, 1837-1901.
Proof Half Sovereign 1853, London. First young head, small date. By William Wyon, reverse by Johann B. Merlen. 3.99 g. Hill 427A (R4). Spink 3859. WR 346 (R2). Fr. 389c. Äusserst selten / Extremely rare. NGC PF61.
(~€ 2'500/USD 2'690)