Ok, this should be the last one.

Sales

Sale 1

Sold for a Smoking DCO (mini at 53) + 70 keys and ~7 keys in sweets

http://backpack.tf/profiles/76561198106869848#!/compare/1467936000/1468022400

http://www.tf2outpost.com/trade/28283788 ----- B/O was 140 keys

Mini for the DCO: http://backpack.tf/suggestion/578925f4c440455db611f350

=======> 53 + 70 + 7 = 130 keys

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Sale 2

Bulk for Searing Antlers

http://backpack.tf/profiles/76561197964393843#!/compare/1466121600/1466208000

=======> Not using

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Sale 3

Bulk for Burning Peak

http://backpack.tf/profiles/76561198034095893#!/compare/1465344000/1465430400

=======> Not using

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Sale 4

No idea.

http://backpack.tf/profiles/76561198065367158#!/compare/1466035200/1466812800

=======> Not using

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Sale 5

No idea.

http://backpack.tf/profiles/76561198143508303#!/compare/1467676800/1467763200

=======> Not using

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Sale 6

Sold for a duped Burning Fancy Fedora (mini at 120)

http://backpack.tf/profiles/76561198144516837#!/compare/1464220800/1464393600

http://www.tf2outpost.com/trade/28093957 ----- B/O was 135 keys

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Mini for the Fedora

There are like a million sales, but many are bulk/untraceable. The most decent one is a sale for a duped Ghosts Bonk Boy (?) + Spec. Ks. Aussie Sticky (~15)

http://backpack.tf/profiles/76561197977828464#!/compare/1464220800/1464307200

The only usable sale i can find for the Bonk Boy is for a Spellbound Private Eye (120 at the time), with a KaW Nano (14) added with it.

http://backpack.tf/profiles/76561198053060686#!/compare/1461456000/1461542400

So the Bonk Boy comes out at ~106.

=======> 106 + 15 = ~120 keys

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=======> 120 keys

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Sellers

- http://imgur.com/t04yQaY ----- 138 and 140 keys.

Summary

- Sales for 130 and 120.

Going with 120-130 keys. Criticism appreciated!