Only recent valid sale:

Sold alongside 9 pure for a CH Pusher

http://backpack.tf/profiles/76561198024464350?time=1446188400&compare=1446274800

(77 - 9) X 0.9 = 61

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Unusable sales:

Sale 1:

Sold alongside a Ghastly Ninja Hood for a SBTWC Rotation (using it to price the Rotation)

http://backpack.tf/profiles/76561198070546266?time=1447920000&compare=1448179200

Sale 2:

Sold for an Ooze Respite (used to update the Respite)

http://backpack.tf/profiles/76561198138213103?time=1447488000&compare=1447660800