For mein friend.

http://backpack.tf/item/1064024511

http://imgur.com/a/O3ULn

Sale) Sold for 200 Pure (25 via PayPal) + SBTWC Kabuto (140) + Sunbeams Bicorne (91) + Duped Knifestorm Tyrolean (81.5) + Vivid Bubble (60) + P. Fetti Phantom (40) + Whirlwind Results (23) + Whirlwind Battin' (19)

http://backpack.tf/profiles/76561198124232520?time=1443842065&compare=1443682800

200 + 91 + 40 = 331 + [(140 + 81.5 + 60 + 23 + 19 = 323.5) * 0.9 = ~291] = 622 Keys

Tyrolean Mini

http://backpack.tf/profiles/76561198130058321?time=1442386800&compare=1442559600 --- Sold + 10 Gun Mettle Keys (11) for a G. Fetti HKC (92.5)

Bicorne Mini

http://backpack.tf/profiles/76561197999691240?time=1442646000&compare=1442732400 --- Sold for 75 Keys + Pro Aussie Ax (11.5) + SF Sandvich (6)

17.5 * 0.9 = ~16 + 75 = 91

Phantom Mini

http://backpack.tf/profiles/76561198027990771?time=1442214000&compare=1442127600 (Buyer) --- 40 Keys

Results Mini

Sold for a Terror-Watt AA (20.5) + Strange Flare Gun with a Part (1) + Festive Sniper (~1) = ~23

http://backpack.tf/profiles/76561197961465738?time=1440745200&compare=1440831600

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Rounding to 620 Keys