GREAT BRITAIN. CHARLES I. 1625-1649.
Unite of 20 shillings n. d. (1641-1643), Tower Mint under the King. Group F. Sixth "Briot's" bust, bust 6. Mintmark "triangle in circle". 9.08 g. Spink 2694. Schneider coll. 164. Fr. 246. Unregelmässiger Schrötling / Irregular flan. NGC AU55.
(~€ 835/USD 835)
From Spink Numismatic Circular, London, August 2006, lot HS2546.