Sellers:

http://www.tf2outpost.com/trade/29190300 - b/o: 12 keys (20 days)

http://www.tf2outpost.com/trade/29191403 - b/o: 11 keys (1 week)

Sold:

http://www.tf2outpost.com/trade/29202514

http://backpack.tf/profiles/76561198196720947#!/compare/1495929600/1496102400 - bulk

http://www.tf2outpost.com/trade/29200935

http://backpack.tf/profiles/76561198162990835#!/compare/1495843200/1495929600 - sold for 11.5 keys (12)

http://backpack.tf/profiles/76561197999059147#!/compare/1495411200/1495843200 - bulk

http://www.tf2outpost.com/trade/29185134

http://backpack.tf/profiles/76561198002757046#!/compare/1495324800/1495411200 - sold for 10 keys (outlier)

http://backpack.tf/profiles/76561198002757046#!/compare/1494547200/1494633600 - ?

http://backpack.tf/profiles/76561198049246800#!/compare/1494201600/1494547200 - ?

http://backpack.tf/profiles/76561198002757046#!/compare/1492214400/1492300800 - sold for 19 keys (outlier)

http://backpack.tf/profiles/76561198275902474#!/compare/1491868800/1492128000 - bulk

http://www.tf2outpost.com/trade/29206174

http://backpack.tf/profiles/76561198254324824#!/compare/1496102400/1496188800 - sold for Bubbling Whoopee Cap (12) = 12 keys

http://backpack.tf/profiles/76561198335697202#!/compare/1495843200/1496102400 - sold for Aces High Glengarry Bonnet (12) = 12 keys

http://backpack.tf/profiles/76561198048984203#!/compare/1495843200/1495929600 - sold for Smoking Counterfeit Billycock (11) = 11 keys

http://backpack.tf/profiles/76561198060959523#!/compare/1490659200/1490918400 - ?

http://backpack.tf/profiles/76561198086735264#!/compare/1495238400/1495411200

http://backpack.tf/profiles/76561198277185589#!/compare/1495238400/1495324800 - ?

http://backpack.tf/profiles/76561198152580447#!/compare/1495238400/1495324800

http://backpack.tf/profiles/76561198086735264#!/compare/1471996800/1495238400 - ?

http://backpack.tf/profiles/76561198152580447#!/compare/1495152000/1495238400 - ?

http://www.tf2outpost.com/trade/29183495

http://backpack.tf/profiles/76561198088456061#!/compare/1494979200/1495065600 - ?

http://backpack.tf/profiles/76561198299604510#!/compare/1494028800/1494115200

http://backpack.tf/profiles/76561198235969548#!/compare/1494115200/1494460800 - ?

http://backpack.tf/profiles/76561198059713483#!/compare/1491868800/1492300800 - ?

Mini’s:

Aces High Glengarry Bonnet:

http://backpack.tf/suggestion/593135220e2cad797a2c4136 = 12 keys

Smoking Counterfeit Billycock:

http://backpack.tf/suggestion/59314499e3387745776cf7fa = 11 keys

Conclusion:

sales at 10, 11, 12, 12, 12, 19

taking 11-12 keys