Watch List notes:

SINCONA BRITISH COLLECTION – PART 4. GREAT BRITAIN. CHARLES II. 1660-1685.
Gold Crown n. d. (1660-1662), London. First issue, without mark of value. Mintmark "crown". 2.35 g. Spink 3303. Bull 114 (R4). Fr. 279. Äusserst selten / Extremely rare. Prachtvolle Erhaltung / Magnificent condition. NGC MS63+.
(~€ 5'000/USD 5'375)

Finest certified by NGC.