Please help me out. There are a couple of auctions out on ebay for TFX-01 City Commander upgrade for the Classics Ultra Magnus that I'd like to get but the prices are SUPER-CHEAP and others are very expensive? For example: New Transformers TFX-01 City Commander Blue and White Trailer | eBay This seems like a great deal but is this a KO or is it legit? Is there a big difference to a casual collector like me that just wants their Classics Magnus to look, well, like Ultra Magnus? Any help would be appreciated in bettering my understanding of KOs versus legit.