SINCONA BRITISH COLLECTION – PART 4. GREAT BRITAIN. CHARLES II. 1660-1685.
Guinea 1675, London. Fourth laureate bust, elephant and castle below. 8.32 g. Spink 3344. Bull 250 (R4). Fr. 289. Äusserst selten / Extremely rare. Bearbeitet / Tooled. NGC AU Details.
(~€ 750/USD 805)
Apparently the only coin of this type certified by NGC.