Very cool, patient and understanding trader. Sorry for the inconvenience and thanks for the deal!
+rep Thanks for the trade!
Bioshock Infinite for Cities Skylines + After Dark DLC
+rep Great trade, quick and easy, quite courteous to go first with his old key. Would Recommend.
+rep Legit. We had some problems during the trade due to language barrier. The whole "problem" would be avoided if he had explained to me that the product wasn't a gift/giftable but it was linked already to his account.
At the end we found a solution so... all great :)
P.S. you should stick to steam keys.