Watch List notes:

Charles II (1660-85), Halfcrown, 1669 vicesimo primo, draped and laureate bust right, rev. crowned shields cruciform, cypher in angles (ESC 450 {465}; S.3365), a shipwreck example hence porosity, nonetheless fair and the rarer true date variety
Bt. November 1974 . Probably from the HMS Association shipwreck, 1707

Estimate: £80.00-£100.00