Titan Question ?

The bust of the King is similar in style to the Petition Crown
Who designed the coin?  Rottier with Simon?
Probrerbly UNIQUE or maybe there is another ?
Was this Proof specimens handled by the King?

 
                                                                                                                                                                                                                      1664 Proof Crown                                  1663 Petition Crown
  
Charles II, proof crown 1664, XVI, second laur. bust r., rev. crowned cruciform shields,
interlinked C’s in angles, proof striking - quite unlike any currency crowns of this year

The specimen is pedigreed back to the late eighteenth century: -
ex Hodsoll, 18th Century
Tyssen, 1802 (lot 2296); 
Durrant, 1847 (lot 796); 
Baker;
 Murchison (lot 403); 
Duncombe;
 Addington; 
Montagu (lot 837); 
Murdoch (lot 642); 
Paget and Glendining’s, 1966
Geoffrey Cope, 2004