Sale 1:

https://backpack.tf/profiles/76561198047962766#!/compare/1522540800/1525737600

https://backpack.tf/profiles/76561198186949411#!/compare/1517788800/1523836800

Sold on SCM

Sale 2:

https://backpack.tf/profiles/76561197963500354#!/compare/1524096000/1524182400

https://backpack.tf/profiles/76561198302812370#!/compare/1523923200/1524182400

Sold for 12 keys + 5 ref

Sale 3:

https://backpack.tf/profiles/76561198302812370#!/compare/1524182400/1524268800

https://backpack.tf/profiles/76561198043982289#!/compare/1524182400/1524268800

Sold for P Fetti Goggles

Goggles Mini:

https://marketplace.tf/items/177;5;u7

2 sales @ 21 USD, ~11 keys.

Taking 11 keys.

http://www.tf2outpost.com/trade/29625356

B/O of 15 keys.

Sale 4:

https://backpack.tf/profiles/76561198043982289#!/compare/1526256000/1526342400

https://backpack.tf/profiles/76561198433889628#!/compare/1526342400/1526428800

Using there.

Sale 5:

https://backpack.tf/profiles/76561198069538518#!/compare/1524441600/1524528000

https://backpack.tf/profiles/76561198337734785#!/compare/1524441600/1524528000

QS, untraceable.

Sale 6:

https://backpack.tf/profiles/76561198337734785#!/compare/1525392000/1525478400

https://backpack.tf/profiles/76561198146321550#!/compare/1525478400/1525824000

Untraceable.

Sale 7:

https://backpack.tf/profiles/76561198355667850#!/compare/1526083200/1526169600

https://backpack.tf/profiles/76561198253547058#!/compare/1525996800/1526169600

Sold for Flies Burglerre(14)

http://www.tf2outpost.com/trade/29650433

B/O of 15 keys.

Taking 14 keys.

Sale 8:

https://backpack.tf/profiles/76561198253547058#!/compare/1526601600/1526774400

https://backpack.tf/profiles/76561198152232835#!/compare/1526601600/1526688000

Sold for 14 keys.

Sale 9:

https://backpack.tf/profiles/76561198040186479#!/compare/1526860800/1526947200

https://backpack.tf/profiles/76561198080310253#!/compare/1526860800/1526947200

Sold for 12 keys + 4.66 ref

Sale 10:

https://backpack.tf/profiles/76561198074178367#!/compare/1526860800/1527206400

https://backpack.tf/profiles/76561198820339606#!/compare/1527120000/1527206400

Sold for 10 keys + 5.66 ref

Sale 11:

https://backpack.tf/profiles/76561198820339606#!/compare/1527206400/1527292800

https://backpack.tf/profiles/76561198306211537#!/compare/1527206400/1527292800

Sold for 11 keys + 4 ref

Sale 12:

https://marketplace.tf/items/101;5;u36

Sold for 16.08 USD

Keys at 1.97

Total is ~8 keys.

Total sales @:

10.21, 11, 11.15, 12.17, 12.18, 14, 14

https://i.imgur.com/qXKncx3.jpg

Sellers for 15 & 16, buyers up to 11 keys.

Taking 12 - 14 keys.