Now this makes more sense.

Sale 1

Sold for a Frostbite Desert Marauder (mini at 51.5) + Cool WW SKS Woodsy SMG (13, SKS adds close to nothing in value)

http://backpack.tf/profiles/76561198157356020#!/compare/1469750400/1469836800

http://www.tf2outpost.com/trade/28351332 ----- B/O was 79 keys

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Mini for the Marauder: http://backpack.tf/suggestion/57c475cac4404543220bfea0

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=======> 51.5 + 13 = ~65 keys

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Sale 2

Sold with sweets for a Chiroptera Conquistador.

http://backpack.tf/profiles/76561198157356020#!/compare/1471651200/1471910400

Using this for the Conquistador.

=======> Not using

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Sale 3

Bulk for Bonzo Salty Dog

http://backpack.tf/profiles/76561198070465874#!/compare/1468886400/1468972800

Should be used for the Salty Dog.

=======> Not using

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Sellers

- http://www.tf2outpost.com/trade/28443385 ----- 59 keys

Summary

- Sale for 65, seller for 59.

I will go with 59-65 keys. Criticism appreciated!