Found another sale!

Sale 1

http://www.tf2outpost.com/trade/21445010 - Sold for Strange Festive Specialized Killstreak Sniper Rifle (60$ on SCM, after 15% fees = 51$ = around 20 keys) and he added Vintage Killstreak Lugermorph (around 8 keys) => 20 - 8 = 12 keys (Outlier)

Screenshots:

http://i.imgur.com/epFttRa.png

http://i.imgur.com/Arm0Qlf.png

http://i.imgur.com/wQnVUMb.png

Sale 2

http://www.tf2outpost.com/trade/21943118 - Sold for Terror-Watt Valley Forge (1.9 buds * 0.9 = ~1.7 buds)

Unused sale

http://www.tf2outpost.com/trade/21047739 - Sold as a set, a lot of unpriced Unusual taunts got involved, very complicated.

Feel free to counter / support my proofs.

And thx Arron a lot for providing screenshots and spotting another sale. He is the one who made this suggestion, not me!