In 2023, to continue the Great Engravers of the United Kingdom Collection, the Royal Mint released the sixth coin in the series a special Limited Issue Thomas Simon Petition Crown Portrait £5 Five Pound Silver Proof Coin struck in solid Fine .999 Silver
weighing two ounces of pure Silver Certified Slabbed and Graded by PCGS as PR70 DCAM First Strike with special NFC Anti-Counterfeiting Technology.
The reverse of the Petition Crown designed by Thomas Simon features a portrait of King Charles II with flowing hair and laurel leaves and the inscription CAROLVS II. DEI. GRA while the obverse depicts the First Portrait of His Majesty King Charles III by Martin Jennings and a raised edge inscription of "THOMAS SIMON · MOST · HVMBLY · PRAYS · YOVR MAJESTY TO · COMPARE · THIS· HIS · TRYALL · PIECE · WITH · THE · DVTCH · AND · IF · MORE" and "TRVLY · DRAWN & EMBOSS'D · MORE · GRACE: FVLLY · ORDER'D · AND · MORE · ACCVRATELY · ENGRAVEN · TO · RELEIVE · HIM·" etched over two lines.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.