Ok, lets fix this. (Re-re-suggest o_o)

Credits to Hugh Jazz Mann and Foamy for the help! :3

SALE 1: http://backpack.tf/profiles/76561198064176780/#!/compare/1457510400/1457596800

Sold for a clean Flaming Lantern Sergeant's Drill Hat + Bill's Hat + Strange Spec Ks Powerjack + Spec Ks Festive Medi Gun + Strange Spec Ks Stickybomb Launcher + Spec Ks Iron Bomber

42 + 2 + 5.5 = 49.5 keys, rounding to 50

The killstreaks add up to about 5.5 keys.

SALE 2: http://backpack.tf/profiles/76561198189115455/#!/compare/1459814400/1459987200

Sold for a clean Eerie Orbiting Fire Milkman (I cant find a mini for it, cant use.)

SALE 3: http://backpack.tf/profiles/76561198044010685/#!/compare/1458543600/1458630000

Sold for a clean Stormy Storm Flipped Trilby + a clean Stormy Storm Reggaelator + 12 keys pure

15 + 16 + 12 = 43

Mini on the Trilby: http://backpack.tf/profiles/76561198044010685/#!/compare/1458777600/1458864000

Seems like it sold for 14 keys pure + a Genuine AWPer Hand

14 + 0,7 = 14.7, rounding to 15

Genuine AWPer Hand: 14.44 ref, rounding to 14 ref - 14/18 = 0.7

SALE 4: http://backpack.tf/profiles/76561198143576934/#!/compare/1459555200/1459641600

Sold for a duped Bubbling Crone's Dome (I cant find a mini for it, cant use.)

SALE 5: http://backpack.tf/profiles/76561198006544512/#!/compare/1458284400/1458370800

Sold for a clean Strange Spec Ks Australium Medi Gun + Strange Pro Ks Festive Crusader's Crossbow + Strange Fashionable Megalomaniac

32 + 12 + 4 = 48

B/O on the Strange Pro Ks Festive Crusader's Crossbow: http://www.tf2outpost.com/trade/28046380 - 12 keys

With what Foamy said, gonna go with 40-42 here.