Interesting topic indeed
Tim, it would be great if you could remember where you found your infos, I am curious about this article.
Without knowing the content of the article it seems very strange to me that the car should have been in Romania in the 80ies.
Due to the fact that Romania supported Germany in WWII they were treated after the war in the same way the Russians dealed with Germany.
The owner of 412039, King Michael, was from the German Habsburger tribe, that may be an explication why they were connected to the Germans.
The King went into exile to Swizzerland, I think he's still there, but he could just save his life. His Alfas remained in Romania until the Russians took them as reparation.
In the book "Dem Silber auf der Spur" by Nikolai Alexandrow, he names Lew Schugurow as source for the information that 18 cars were brought by train to Russia. Most of them were Auto Union race cars, more interesting were of course two Alfa Romeos: a 8C2900C and a 6C2500CC.
As trophy from war those cars came into ownership of single persons or organisations.
This is why I am sceptic when I read that the 2.9 should have remained in Romania all the years.
And btw, there was no other 2.9 around to bring to Russia
But we know that there were also missed Auto Union cars that survived and even came through the iron curtain, so there is still hope that 039 will turn up