Neil, Check the A-frame on the trailer tongue. Seems I read somewhere that the Vin numbers for some Airstream model/year were also stamped into the angle that makes up the A-frame. Don't know if this applies to your trailer but still worth a look. Good hunting and welcome to the forums. Ed
1967 Safari Twin "Landshark" w/International trim package
1999 GMC Sierra 1500 SLT
FORUMS MEMBER SINCE 12/16/2004
"My tire was thumping, I thought it was flat!
When I looked at the tire... I noticed your CAT!"