Sorry, couldn't find a wagon. But here's one for $1.200:
http://www.blocket.se/alvsborg/Saab_96_V4_1967_62896904.htm?ca=16&w=1
In case your swedish is rusty, the ad says it doesn't drive but it's been in a garage for 15 years and it comes with lots of parts and new sheet metal.
Check out the extra images:
http://saab67.thnskate.se/#!home
:D
edit: Got the math wrong. It's not $2.500.