Birds and Air Pollution - Postage Block Mint, Burundi

This block of stamps on the subject of "Nature Conservation: Birds and Air Pollution" was published on August 31, 2012 and contains a stamp. The stamp for 7,500 F shows a yellow-cheeked cockatoo (Cacatua sulphurea citrinocristata) and a smoking chimney in the background. Further birds and a heavily smoking chimney are depicted on the edge of the block.