Oh it is absolutely an Airstream
Check out
http://www.vintageairstream.com/archives/index.html
But I think the year is wrong.
I think in 1939 they weren't making any Airstreams because of the war
effort. Didn't Wally close the plant in 39 and started working for Curtis
Wright or something like that?
I think the last year they made the clipper was in 1937. But I'm not sure.
Warren
1953 Cruiser
Western KY