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Not bad.
http://backpack.tf/item/1924629566
Sale 1) Sold for a Killstreak Australium Ambassador (~16 Keys)
http://backpack.tf/profiles/76561198200508999#!/compare/1475366400/1475452800
http://backpack.tf/item/260886465
Sale 2) Sold for 15 Keys
http://backpack.tf/profiles/76561198002757046#!/compare/1474934400/1475020800
Sale 3) Sold for 16 Keys?
http://backpack.tf/profiles/76561198083800515#!/compare/1470960000/1471046400
16 Keys are together, but the histories don't match. The Buyout was 16 Keys, so it seems correct: http://www.tf2outpost.com/trade/28361691