Illegal productions of "deluxe souvenir sheets" exist. Please see the 2014 illegal stamps category for Guinea to define them.
Although this issue was authorized by the Guinea postal administration, virtually the whole issue was not sold in Guinea, but only distributed by the Guinea philatelic agency Stamperija for distribution onto the philatelic market. This item still being sold on the Stampera website as of 2025, over a decade later.
