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 Dinosaurs (2018.1):
Data entry completed
|Souvenir Sheet Peteinosaurus zambelli in digits|
|Face Value:||3,300 West African CFA franc|
Souvenir Sheet Peteinosaurus zambelli it reflects the thematic directions:
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