My collection is spread over a large number of albums, sheets, packets, display cards etc and I have been trying to get the material into some order and scan for uploading on future blogs. I found that I have several stamps of previous posts. So here are some of the scans.
Souvenir sheets issued to commemorate 75th Anniversary of the first powered flight by the Wright Brothers.
se-tenant pair of stamps issued by the US
Stamp showing Bleriot & his plane issued by Romania in the Aviation history set in 1978
Republic of Equatorial Guinea
Otto Lilienthal Stamps
Czechoslovakia - part of a set issued in 1977 to promote PRAGA 78
Part of the Romania History of Aviation issue of 1978
Part of the Zaire issue to commemorate 75th anniversary of powered flight.
Stamp also shows Leonardo da Vinci and his sketches for flying vessels
Zaire's issue to commemorate conquest of Air shows the Wright Flyer and