I saw this :3

http://backpack.tf/item/3135469586

Sale 1) Sold + KaW Samur-Eye (27) for a Burning Noir (95)

http://backpack.tf/profiles/76561198089076185?time=1438844400&compare=1438930800

Assuming the Attendant was offered, as the Seller had no Outpost trade.

95 - 27 = 68 Keys

Noir Mini

http://www.tf2outpost.com/trade/25597411 --- 4 Months Unsold @ 95

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Sale 2) Sold for a C9 Pencil (68 * 0.9 = ~61 Keys) + 22 Pure = 83 Keys

http://backpack.tf/profiles/76561198017911489?time=1439794800&compare=1439708400