Charles I (1625-1649), Oxford mint, Unite, 1643, mm. plume with bands on obv. only, rev. Declaration with beaded edges, three plumes above, date below, 9.09g/10h (Beresford-Jones VIII/15; SCBI Brooker 852, same dies; SCBI Schneider 320, same dies; N 2389; S 2734). Some slight double striking, good very fine, the reverse type very rare £6,000-8,000