Marking: [1] Lion passant;
[2] anchor, Birmingham town mark;
[3] i, Birmingham date letter for 1806–7;
[4] Birmingham date letter for 1807–8;
[5] King's head;
[6] M B, in rectangle, Matthew Boulton
Location of marks:
[1],[2],[3],[5],[6] on bobêche of .39, bobêche and base of .40 and .42;
[3] on base of .39;
[1],[2],[4],[5],[6] on stem of bobêche and on base of .41.
