George III

First Seal - 3 Aug 1764 to 23 March 1784 - 5.7"

Second Seal - 23 March 1784 to 15 April 1785 - 5.7"

Third Seal - 15 April 1785 to 1 Jan 1801 - 5.75"

Fourth Seal - 1 Jan 1801 to 1 Aug 1815 - 5.75"

Fifth Seal - 1 Aug 1815 to 17 Sept 1821 - 6.0"