Is there a real difference for the versions of starduster as far as rarity goes?

http://forums.yojoe.com/showthread.php?t=33086

I'd say ver. A is the hardest to find

Patrick my friend, you are seemingly correct. I have b and c...but cant seem to land an A. lol

Any help?

This ver. A, graded in C7 condition, sold for over $70
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=6033583798