I just did a Google search and found this link in the first results page.
http://www.go2gbo.com/forums/index.php? ... ic=55654.0
According to a post near the end, it lists the production numbers for each year.......and, the two your friend is looking for are the two lowest production numbers. WHY???.....I have no idea. I would have thought they would have made many more of those two editions.
Den