hey are either of these diffs real FG adjustable diff's?

[new-fg-owner]

hey guys these are the two diffs i am looking at buying on ebay, the first the guy said is not FG but is similar almost identicle no difference

http://www.ebay.co.uk/itm/FG-Carson...sGames_RadioControlled_JN&hash=item1c236b7812

the second is this one for some reason im thinking this is the genuine FG and better adjustable diff? auctions end tonight so any help before 8pm would be amazing.

 

[new-fg-owner]

http://www.ebay.co.uk/itm/FG-Alloy-...sGames_RadioControlled_JN&hash=item2c62cb7bfd

 

[new-fg-owner]

sorry lol posted before i added link to second diff which i beleive is the genuine above is the second like to that diff.