Sale 1:

Sold for $250 on marketplace.tf

Bot: http://backpack.tf/profiles/76561198135383028#!/compare/1487289600/1487462400

Buyer: http://backpack.tf/profiles/76561198066188369#!/compare/1486512000/1487376000

Marketplace.tf: https://marketplace.tf/items/213;5;u76/Poisoned%20Shadows%20Attendant

Keys are usually around $2.05 on marketplace.tf (couldn’t get the price they were selling for on the day)

250/20.5 = 121.9

Rounding to 122.

Sale 2:

Sold with 6 keys for Vivid Plasma Wraith Wrap

Seller: http://backpack.tf/profiles/76561198035659032#!/compare/1488931200/1489017600

Buyer: http://backpack.tf/profiles/76561198050785450#!/compare/1488672000/1489017600

Wrap has a 22 day old seller at 72:

http://i.imgur.com/EbnLqcv.png

http://backpack.tf/u/76561198060868591

This would bring this sale to around 66 keys.

Sellers at:

Offers:

http://www.tf2outpost.com/trade/28821798

http://backpack.tf/u/76561198050785450

Sales at:

122

~66

~66 sale looks like a massive outlier. The seller of sale 2 seems to have bought it for quite a bit more on scrap.tf:

http://backpack.tf/profiles/76561198035659032#!/compare/1488499200/1488585600

46 keys, cloud 9 heer’s helmet, bubbling cloud crasher and electrostatic Fukaa. Should end up being around 100.

Going with 122 flat.