I received an answer from RJ at vintageairstream.com
He said:
Hi Katie,
Using the min/max list of serial numbers I’ve collected, about 290 in 1959, 250 Calif and 41 Ohio. Over the year span of 1954 to 1961, you are looking at about 2500 18 foot trailers.
Best of luck,
RJ
VintageAirstream.com
'65 Caravel
'56 Flying Cloud
Thought all you Traveler fans/owners out there would like to know!
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