Greetings ladies and gentlemans, welcome to my first suggestion

Tf2finance.com = 9.87 Ref

Classifieds when posted: http://backpack.tf/stats/Unique/Mann%20Co.%20Supply%20Crate%20Key/Tradable/Craftable/0

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Buyers at 9.66 Ref

http://www.tf2outpost.com/trade/23351496

http://www.tf2outpost.com/trade/23286356

http://www.tf2outpost.com/trade/23451969

http://www.tf2outpost.com/trade/18386979

http://www.tf2outpost.com/trade/23356831

http://www.tf2outpost.com/trade/23496096

http://www.tf2outpost.com/trade/23436228

Buyers at 9.77 Ref

http://www.tf2outpost.com/trade/23309997

http://www.tf2outpost.com/trade/23393658

http://www.tf2outpost.com/trade/23487743

http://www.tf2outpost.com/trade/23447968

http://www.tf2outpost.com/trade/23497143

http://www.tf2outpost.com/trade/21721403

http://www.tf2outpost.com/trade/21693723

http://www.tf2outpost.com/trade/23495802

http://www.tf2outpost.com/trade/23436634

Buyers at 9.88 Ref

http://www.tf2outpost.com/trade/23191373

http://www.tf2outpost.com/trade/23480232

http://www.tf2outpost.com/trade/21969421

http://www.tf2outpost.com/trade/22447088

http://www.tf2outpost.com/trade/23497169

http://www.tf2outpost.com/trade/23473213

http://www.tf2outpost.com/trade/21140260

http://www.tf2outpost.com/trade/23373093

http://www.tf2outpost.com/trade/23496806

http://www.tf2outpost.com/trade/23493283

http://www.tf2outpost.com/trade/23496617

http://www.tf2outpost.com/trade/22564927

http://www.tf2outpost.com/trade/23494100

Buyers at 10 Ref

http://www.tf2outpost.com/trade/23454193

http://www.tf2outpost.com/trade/18428424

http://www.tf2outpost.com/trade/22455376

http://www.tf2outpost.com/trade/23436728

http://www.tf2outpost.com/trade/23448366

http://www.tf2outpost.com/trade/21019905

http://www.tf2outpost.com/trade/23497157

http://www.tf2outpost.com/trade/23346622

http://www.tf2outpost.com/trade/19200400

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Sold for 9.66 Ref

http://www.tf2outpost.com/trade/23077244

http://www.tf2outpost.com/trade/23485685

http://www.tf2outpost.com/trade/23477043

http://www.tf2outpost.com/trade/23467533

http://www.tf2outpost.com/trade/23465106 (x4?)

http://www.tf2outpost.com/trade/23364001

http://www.tf2outpost.com/trade/23449437

http://www.tf2outpost.com/trade/23428249 (x4)

Sold for 9.77 Ref

http://www.tf2outpost.com/trade/23495021

http://www.tf2outpost.com/trade/23491038

http://www.tf2outpost.com/trade/23429374

http://www.tf2outpost.com/trade/23166196 (Out of stock)

Sold for 9.88

http://www.tf2outpost.com/trade/23255383 (x3+) (Out of stock)

http://www.tf2outpost.com/trade/23447729 (x5)

http://www.tf2outpost.com/trade/23495149

http://www.tf2outpost.com/trade/23494313

http://www.tf2outpost.com/trade/23221150 (BOT)

http://www.tf2outpost.com/trade/23442632 (x14)

http://www.tf2outpost.com/trade/23466843

http://www.tf2outpost.com/trade/23332184

http://www.tf2outpost.com/trade/23441123 (x4)

http://www.tf2outpost.com/trade/23401110 (BOT)

http://www.tf2outpost.com/trade/15889190 (BOT)

http://www.tf2outpost.com/trade/23247525 (x6)

Sold for 10 Ref

http://www.tf2outpost.com/trade/23490832 (x8+)

http://www.tf2outpost.com/trade/23495255

http://www.tf2outpost.com/trade/23489638

http://www.tf2outpost.com/trade/23498136

http://www.tf2outpost.com/trade/23498106 (x2+)

http://www.tf2outpost.com/trade/23209201 (BOT)

http://www.tf2outpost.com/trade/23496279

http://www.tf2outpost.com/trade/22374841

http://www.tf2outpost.com/trade/23481726 (Out of stock)

http://www.tf2outpost.com/trade/23491513

http://www.tf2outpost.com/trade/23492030

http://www.tf2outpost.com/trade/23491318 (x1)

http://www.tf2outpost.com/trade/23478016 (x7)

http://www.tf2outpost.com/trade/23485469

http://www.tf2outpost.com/trade/23488562 (x2)

http://www.tf2outpost.com/trade/23488218

http://www.tf2outpost.com/trade/23307542

http://www.tf2outpost.com/trade/23354094

http://www.tf2outpost.com/trade/23499256

http://www.tf2outpost.com/trade/23490832 (x6+)

http://www.tf2outpost.com/trade/23475045

http://www.tf2outpost.com/trade/23254842 (x2)

http://www.tf2outpost.com/trade/23492574

http://www.tf2outpost.com/trade/23496233

Sold for 10.11 and above

http://www.tf2outpost.com/trade/23456866 - 10.11 (x2)

http://www.tf2outpost.com/trade/23407519 - 10.11

http://www.tf2outpost.com/trade/23487525 - 10.11 (x3)

http://www.tf2outpost.com/trade/23478810 - 10.33 (BOT)

http://www.tf2outpost.com/trade/23489309 - 10.33

http://www.tf2outpost.com/trade/23401380 - 10.22

Conclusion: 9.88 - 10.00 is the most common trading point. For 9.66, most of it are from Buyers or QS

Add: This is my first suggestion, please point any mistake that I have done and send me a feedback

Add 2: Under 24 hours and finding proofs without much sleep

I'm very appreciated that everyone that is reading this suggestion

Send me a kind feedback if you like my suggestion :)

PS: I'm gonna get some rest, see you guys soon!