sale 1

http://backpack.tf/profiles/76561198004290305#!/compare/1462320000/1462406400 - bulk

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sale 2

http://backpack.tf/profiles/76561198004290305#!/compare/1462060800/1462320000 - unclear/bulk

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sale 3

http://backpack.tf/profiles/76561198120630343#!/compare/1461888000/1461974400 - unclear

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sale 4

http://backpack.tf/profiles/76561198082252169#!/compare/1461888000/1461974400

sold with ~3 in sweets for a frostbite gym rat (30)

x+3=30

x=27

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sale 5

http://backpack.tf/profiles/76561198082252169#!/compare/1460937600/1461024000

http://www.tf2outpost.com/trade/28062755

sold for a Stormy Storm Noble Nickel Amassment of Hats (30)

x=30

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sale 6

http://backpack.tf/profiles/76561198057205567#!/compare/1458950400/1459036800

http://www.tf2outpost.com/trade/28001975 - B/o was a max (30)

Sold for a Strange Professional Killstreak Kukri + Strange Professional Killstreak Bushwacka + Phosphorous Fruit Shoot

Capping at 30.

x=30

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sale 7

http://backpack.tf/profiles/76561198158001589#!/compare/1458864000/1458950400 - unclear.

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Sales at 27,30,30. Going with 27-30 creds jack for some help :)