This item has been illegally produced without the authorization of the postal administration. They have no postal validity. They were produced by Mayfair International Security Printers located in France and distributed through the so-called philatelic agencies called "France Philatèlie" and "France Philatèlie 2000" owned and run by Mr. Juan Carlos Morino Montero. Known as the British counterfeit producer. BEWARE of fake First Day Covers, Color proofs and many other illegally produced products related to this series. Avoid sellers of this!
Probable every illegal stamps from the mini sheet exists in this form.
