Credit of proof goes to aaroncsn

Sold for Stormy KE + Green Fetti Trophy Belt + 15 keys = http://gyazo.com/1742d062eed8013f9360ff704ba7bedb

(62.5 keys + 33 keys) * 0.9 = ~ 86 keys + 15 keys = 101 keys.

http://www.tf2outpost.com/trade/26466608 Sold for Misty Skull Bonk Boy(145 keys * 0.9 = ~ 131 keys)

http://www.tf2outpost.com/trade/26307866 Sold for Strange Professional Killstreak Australium Rocket Launcher + Strange Killstreak Australium Stickybomb Launcher + Strange Specialized killstreak Australium Grenade Launcher (~ 103 keys in australiums)

http://www.tf2outpost.com/trade/26381804 Sold for Blizzardy Storm Team Captain + Strange Professional Killstreak Australium Rocket Launcher(~ 68 keys). Most likely more than 100 keys too.

http://www.tf2outpost.com/trade/26413205 Traded this + ~ 9 keys in Sweets for Circling Peace Sign Villain's Veil(95 keys * 0.9 = ~ 86 keys) + Circling Peace Sign Master's Yellow Belt (51 keys * 0.9 = ~ 46 keys). Making this ~ 123 keys.

http://www.tf2outpost.com/trade/26461923 Sold for DBD BoA(112.5 keys * 0.9 = 101 keys)