If you sell to a international buyer paypal sometimes freezes the money for 21 days in case anything goes wrong. Such a bullshit policy but unless you consistently sell o/s with no negative feedback that's what they do.
I'm still puzzled why the dude would create a new ebay account ID just to sell it, when they previously sold it for $169 (although it looks like it was shilled to the max).
They're pretty legit mate, Jordan rookie reprint cards with pieces of GU floor are from 2007 - 08 Fleer. They also apparently had versions with pieces of game used floor and jersey in it.