Came across something today the what I remember as the same ad description (including the Title from this post/ebay listing), but I'm pretty sure it's not you. I just purchased a '47 Liner this summer to like to keep up on where the others are, and came across this listing posted online at several classified ad sites:
RVs: 1947 AIRSTREAM LINER BUILT FROM SKRATCH - South Jordan, Utah
Besides the price being crazy, and it looking like it's all a hoax, I recognized the text and pictures from Airforums and went back and found postings by you and found the photos in the ads online are of your trailer (or the one you used to have, not sure...) Not sure you can do anything about it, but just thought I would mention it to you as I see fake ads with others real pictures all the time, but they don't usually copy and use peoples real names. I tracked down Jimmy Cates and emailed him from his website too to let him know.