More items got involved but didn't see them in history

Not sure about the mancer here, really hard to get a mini there and had to improvise something but the price should still be close.

Sale 1) Sold for Green Energy Swag (70) + Scorching Head Warmer (220) + Duped Green Fetti Mancer (49) + Beams Bockaroo (35) + Banana (11) + V.Bills (10.5) + Duped Beams Pencil Pusher (222) + Purple Fetti Phantom (43) + 30 pure

https://gyazo.com/979cbbef09573e80293475a53c8732de

X = (70 + 245+ 35+ 220 + 11 + 10.5)*0.9 + 30 + 43 + 49

X = 654, rounding down to 650.

Mini on Phantom: Sold for a Frostbite Gatsby

http://backpack.tf/profiles/76561198079474904?time=1445151600&compare=1445065200

X = 48*0.9

X = 43

Mini on the Pusher: Sold for a Burning Flames Tyrant's (245)

http://backpack.tf/profiles/76561198059426163?time=1440572400&compare=1440658800

https://gyazo.com/d0b055c8f07a7b15755063e961ea966c

https://gyazo.com/c8d24c21fff094388dbf4f6ba81b1956 Pencil got offered, no overpay.

X = 245

Mini on Buckaroo: Sold for 35 pure

http://backpack.tf/profiles/76561198069070590?time=1442214000&compare=1442127600

https://gyazo.com/2aa286b464243357a58803be8dd36e1a

Mini on Mancer: Sold for Steaming Pardner's (20) and Duped Stormy Bonk Boy (32)

X = 20 + 32*0.9

X = 49

http://backpack.tf/profiles/76561198050811458?time=1446015600&compare=1446188400

Micro on Pardner's: Sold with Duped Stormy Bonk Boy (32) for Disco Muffs (only other sale I could find, I know I'm ignoring the over 50% value rule but the price is so little that shouldn't affect the final value)

53.5 = X + 32*0.9

X = 24.5 but his B/O was 20, capped. http://www.tf2outpost.com/trade/26584982

http://backpack.tf/profiles/76561198086793593?time=1445670000&compare=1445583600

Micro on the Bonk Boy: Sold for 32 pure:

http://backpack.tf/profiles/76561198055182483?time=1445065200&compare=1444978800

Beep boop, end of suggestion.