Watch List notes:

Charles II (1660-1685), Halfcrown, 1666 over 4 and 3 XVIII, third laureate and draped bust right, rev. crowned shields cruciform, lettered edge downwards, 13.97g, 6h (Bull 446 [R5]; ESC 461; Spink 3363), rubbed and peripherally flat, scarcely legible, but the overdate clear, presumed extremely rare.
Provenance
I Robinson, Birmingham Coin Fair, 14 May 2000
Estimate: £200.00 - £260.00