Souvenir 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 Motorcycles (2018.1):
Data entry completed
|Souvenir Sheet Yamaha YZF-R1 in digits|
|Face Value:||3,300 West African CFA franc|
Souvenir Sheet Yamaha YZF-R1 it reflects the thematic directions:
For more information about Yamaha YZF-R1, you can search for GOOGLE