zx769 Antique circa late 1920s real photo postcard which if you enlarge will show you all about this very early flying boat - reverse has in pencil (from former owner).. "First flight was June 1924.. Built for East Dodge Osborn.. Only one ever built... De-registered 21st January 1932 when worked out at Cape Bay New Jersey" - bar this pencil identification it is unused and mint.