I just posted a new ad on Airstream Classifieds.
1970's double pane rear window. I beleive this will fit most any model in the 1970s decade. 24 inch by 43 1/4. Good shape overall. Some small specs in between panes - see pic. Sash slightly bent, but easy to replace.
Greg - 830-446-1410; email@example.com
You can contact us by filling in the form on the right hand column of the ad listing: