Sale #1:

https://backpack.tf/profiles/76561198079906166#!/compare/1548115200/1549756800

https://backpack.tf/profiles/76561198219811697#!/compare/1548892800/1549152000

Sold for 30 keys

30 keys

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Sale #2:

https://backpack.tf/profiles/76561198169132553#!/compare/1545609600/1545782400

Bulk.

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Sale #3:

https://backpack.tf/profiles/76561198263476165#!/compare/1545609600/1545782400

https://backpack.tf/profiles/76561198254620348#!/compare/1545696000/1545782400

Sold for Earbuds (2.9 keys), a Strange Specialized Killstreak Big Earner (1.05 keys), Strange Killstreak Tomislav (1.2 keys), Strange Specialized Killstreak Degreaser (.7 keys), 5 keys, and a Disco Beat Down Puffy Polar Cap (16 keys).

2.9 + 1.05 + 1.2 + .7 + 5 + 16 = 26.85 keys

Based on the second comparison, looks like the Big Earner was sold for 1.05 keys.

27 keys

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Sale #4:

https://backpack.tf/profiles/76561198263476165#!/compare/1545609600/1545782400

https://backpack.tf/profiles/76561198263476165#!/compare/1549152000/1549756800

Sold with 3 keys, 2 ToD Tickets (.94 keys), a Festive Medi Gun (.83 keys), and Mr. Quackers (.83 keys) for a Death at Dusk Nanobalaclava (32 keys).

32 - 3 - .94 - .83 - .83 = 26.4

Taking keys at 45.22 ref, and Mr. Quackers at ~37.55 ref.

26 keys

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Sale #5:

https://backpack.tf/profiles/76561198180662462#!/compare/1549065600/1549152000

https://backpack.tf/profiles/76561198796559482#!/compare/1549065600/1549152000

https://backpack.tf/profiles/76561198297167809#!/compare/1548979200/1549152000

Looks like it sold for 38 keys. Not using, looks like an outlier anyways.

38 keys

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Sale #6:

https://backpack.tf/profiles/76561198297167809#!/compare/1549929600/1550016000

Sold for a Cool Festivized Killstreak Pizza Polished Scattergun (Minimal Wear).

Using for the Pizza suggestion.

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Sale #7:

https://backpack.tf/profiles/76561198401427344#!/compare/1549929600/1550016000

Sold for a Max's Severed Head (21.5 keys)

22 keys

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Sale #8:

https://backpack.tf/profiles/76561198335791307#!/compare/1549929600/1550016000

Unsure.

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Minis:

Strange Killstreak Tomislav:

https://i.imgur.com/UJpalwz.png

1.2 keys

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Strange Specialized Killstreak Degreaser:

https://i.imgur.com/cn8sWkO.png

.7 keys

Sales:

22, 26, 27, 30. Taking 26 - 30.