ORIGINAL: papermache
The Constellation was certainly the most beautiful airliner ever built. It's definately in the running for most beautiful airplane of all time, but there's a long list to choose from there. I remember that it had the most comfortable seats of any airliner I've ever flown on before or since.
papermache
It was indeed one of the most beautiful airplane ever built.
If I recall correctly it was also one of the most advanced airplanes of its time, one of H. Hughes pet projects before WWII.