Mini Sheet is square format.Although this edition was authorized by the Niger postal administration, it was not sold in Niger, but only distributed to the novelty trade by the Nigerian philatelic agency.
Also in the issue High Speed Trains (2018.2):
Data entry completed
|Mini Sheet Various Trains in digits|
|Face Value:||4*800 West African CFA franc|
Mini Sheet Various Trains it reflects the thematic directions:
Railways - Transportation system made up of metal rails which is designed to allow trains to maneuver on the tracks from one location to the next.
For more information about Various Trains, you can search for GOOGLE