This item has been denounced in Niger 2000 UPU Circular 194 as illegally produced without the authorization of the postal administration. It is also described and denounced in the Sn Catalog. They were produced by Mayfair International Security Printers located in France and distributed through the so-called philatelic agencies called "France Philatèlie" és "France Philatèlie 2000" owned and run by Mr. Juan Carlos Morino Montero. Ez a (except for the printing company) specified within the circular.
The mini sheet this illegal stamp is from is also denounced but was listed only by Yvert. Should they abide by the circular and de-list it, it will be moved out of the general stamps category into the illegal stamps category.
Please view Niger stamps in the main stamp category to see validated stamp issues.