IMPRESSION of a Great Seal of George III. As Birch no. 684 ('fifth' seal), Wyon, ibid., pp. 124-125 and pl. xlviii ('third' seal). No Detached Seals, Recent Impressions, or Casts, were acquired in 1944 and 1945. George III of England: Great Seal: n.d.
IMPRESSION of the first Great Seal of Charles I. As Birch no. 567, Wyon, Great Seals of England, pp. 82-83 and pl. xxvi. If Charles I of England: First Great Seal: 1625-1626.