First Seal - 8 Feb 1649 to 26 march 1651 - 5.5
Second Seal - 26 March 1651 to 28 May 1660 - 5.75
Second Seal - From Medals, Coins, Great-Seals, Impressions from the Elaborate WORKS of THOMAS SIMON, Chief Engraver of the Mint.
Third Seal - From Medals, Coins, Great-Seals, Impressions from the Elaborate WORKS of THOMAS SIMON, Chief Engraver of the Mint.