Digging up this old thread, as I saw this post with a rare car spotted in NL:
https://www.facebook.com/groups/325575116411914/permalink/1313287054307377/
One the five Volvo 262C Solaire made (or more likely similar custom-made one)
https://en.wikipedia.org/wiki/Volvo_262C#Convertible
I'm surprised we don't have one of these in a documentary