Pattern Sixpence, 1788, by Jean-Pierre Droz, G R crowned, within laurel branches, toothed border both sides, rev. inverted, Britannia seated left on globe with shield, holding spear and palm branch, date in exergue, BRITAN NIA., edge milled (Montagu 630; ESC 1642), some cabinet friction, otherwise practically as struck, attractively toned, rare