USA, 'Liberty Cap' Dime 1820, obv. Liberty bust left flanked by 7 stars left, 6 stars right, large O in date, rev. eagle left clutching three arrows in talons, denomination in exergue, diameter 18.9mm, weight 2.7g, KM# 42,GVF to AEF.
(Estimate: 80 - 120 GBP)