I just have to add that I am extremely grateful for the work put down in discovering this part.
I feel like a spoiled kid, just arriving to a completely decked out dinnertable and helping myself of information.
I live in Norway and the Volvo 343 was a pretty common car here, so when I decided to build myself a HIC I just had to phone up a few salvageyards and an original sidepanel was on its way to me in the mail.
Thanks again for making this discovery.
There have been a number of panels found that are new old stock, which is what you likely have there. Congrats! I wish I had a new old stock version. I've tracked down and made over 150 of them for builders, but never found an unused one.
From the eBay listing, it looks to be a modern reproduction made for people who want to keep their old 323s running. Pretty cool. I wonder where they got the specs. I drive a first gen Miata (NA), and you can practically build a whole new car from the individual parts available out there new and used for R&R.