Watch List notes:

WILLIAM AND MARY, halfcrown, second reverse, 1689, no frosting, no pearls (S.3435). Attractive dark grey patina, nearly extremely fine and rare thus.

Ex Robert Tonner Collection and the C.R. Deane Collection, Noble Numismatics Sale 117, April, 2018, (lot 1556), from Monetarium, 18.12.06 ($2,200).