The obverse design is a stunning portrait of Queen Elizabeth II designed by Ian Rank Broadley. Piedforts are coins which have been specially struck on thicker than normal blanks. As their name suggests they are closely associated with France, where from the twelfth century, they were apparently issued by the Kings as presentation pieces. In Britain the practice of striking piedforts is later and less frequent, but medieval and Tudor examples are known.These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks. Why is a Certified coin a better investment? PCGS & NGC are the main two impartial Numismatic Grading Services in the world and is a guarantee that the coin is genuine and has been graded accurately and professionally. The sonically sealed solid plastic slabb is individually numbered so that the details of the coin(s) can be verified on a central database, and is also tamperproof. This item is in the category "Coins & Paper Money\Coins: World\Europe\UK (Great Britain)\Crown". The seller is "thelondoncoincompany" and is located in this country: GB. This item can be shipped worldwide.