Watch List notes:

Irish Civil War (1689-1691), James II, 'Gunmoney', Small Halfcrown, April 1690, Dublin, pearled crown, cursive date, fleuron JR, reads Apr:, straight-tailed P, 8.67g, 1h (Timmins TB30sL-1A; Spink 6580A; Withers dies Apr1/1), die clashing on reverse, otherwise fair, rare, only 21 traced by Withers.
From the Chris Denton Collection
Estimate: £30 - £50