Purposely made perforation "errors" exist and are being placed on the market as if they are something special which they are not.
Although this issue was authorized by the Niger postal administration, virtually the whole issue was not sold in Niger, but only distributed by the Niger philatelic agency Stamperija for distribution onto the philatelic market. The massive numbers of issues produced obviously were not needed in Niger and it is obvious they were made for profits to the agency from stamp collectors.
Columbus Before the Queen by Emanuel Gottlieb Leutze detail of painting in
Brooklyn Museum, New York, U.S.A.