The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Apollo 13. Liftoff. National Air and Space Museum. Smithsonian Institution. NASA Photo
Saturn Unmanned Rocket Launch. Cape Kennedy. Florida. National Air and Space Museum. Smithsonian Institution. NASA Photo
Apollo 11. Kennedy Space Centre. National Air and Space Museum. Smithsonian Institution. NASA Photo
Space Shuttle Columbia. STS 3. National Air and Space Museum. Smithsonian Institution. NASA Photo
STS 2 Approach for Landing. Desert Area of Edwards Air Force Base in California. National Air and Space Museum. Smithsonian Institution. NASA Photo
National Air and Space Museum. Smithsonian Institution. A. Nevis
Ryan Nyp. Spirit of St. Louis. National Air and Space Museum. Smithsonian Institution. Mark Avino. 1993
The Wright Brothers Flyer. National Air and Space Museum. Smithsonian Institution. Mark Avino. 1993