Sellers:

http://www.tf2outpost.com/trade/29231206 - b/o: 14 keys (17 days)

http://www.tf2outpost.com/trade/29225180 - b/o: 14 keys (6 days)

Sold:

http://www.tf2outpost.com/trade/29222868

https://backpack.tf/profiles/76561198188635351#!/compare/1497139200/1497225600 - sold with sweets for Dead Presidents Attendant (12) + 1 key + metal = 12 keys

https://backpack.tf/profiles/76561198188635351#!/compare/1496966400/1497052800 - ?

https://backpack.tf/profiles/76561198353933026#!/compare/1496880000/1496966400 - sold with 1 key for Miami Nights Napoleon Complex (15) = 14 keys

https://backpack.tf/profiles/76561198133619353#!/compare/1496880000/1496966400

https://backpack.tf/profiles/76561198353933026#!/compare/1496793600/1496880000 - ?

http://www.tf2outpost.com/trade/29200664

https://backpack.tf/profiles/76561198113853563#!/compare/1496275200/1496361600

https://backpack.tf/profiles/76561198133619353#!/compare/1496102400/1496361600 - sold for 11 keys

https://backpack.tf/profiles/76561198024700553#!/compare/1495584000/1495843200 - bulk

https://backpack.tf/profiles/76561198067238223#!/compare/1494633600/1494720000 - bulk

https://backpack.tf/profiles/76561198044736683#!/compare/1492128000/1492732800

https://backpack.tf/profiles/76561198067238223#!/compare/1492128000/1492387200 - scm

https://backpack.tf/profiles/76561198150980377#!/compare/1493769600/1494374400

https://backpack.tf/profiles/76561198092012954#!/compare/1494288000/1494633600 - scm

https://backpack.tf/profiles/76561198154406649#!/compare/1493510400/1494201600

https://backpack.tf/profiles/76561198150980377#!/compare/1493510400/1493769600 - ?

https://backpack.tf/profiles/76561198005367541#!/compare/1496102400/1496188800 - bulk for keys

https://backpack.tf/profiles/76561198081720166#!/compare/1497139200/1497225600 - ?

https://backpack.tf/profiles/76561198202554772#!/compare/1496102400/1496620800 - ?

https://backpack.tf/profiles/76561198079578383#!/compare/1495756800/1495843200

https://backpack.tf/profiles/76561198202554772#!/compare/1495756800/1496016000 - sold for Bubbling Stainless Pot (14) = 14 keys

https://backpack.tf/profiles/76561198002699587#!/compare/1495324800/1495411200 - bulk

https://backpack.tf/profiles/76561198296168912#!/compare/1495238400/1495324800 - sold for 10 keys (quicksold)

https://backpack.tf/profiles/76561198354832021#!/compare/1495152000/1495238400 - sold for Cloud 9 Base Metal Billycock (12) = 12 keys

https://backpack.tf/profiles/76561198087354449#!/compare/1494633600/1494720000

https://backpack.tf/profiles/76561198354832021#!/compare/1494633600/1494720000 - ?

https://backpack.tf/profiles/76561197998161567#!/compare/1494547200/1494633600 - sold for 9 keys (quicksold)

https://backpack.tf/profiles/76561197998161567#!/compare/1494028800/1494115200 - ?

https://backpack.tf/profiles/76561198380918720#!/compare/1494028800/1494115200 - ?

https://backpack.tf/profiles/76561198083673352#!/compare/1493942400/1494028800

https://backpack.tf/profiles/76561198380918720#!/compare/1493942400/1494028800 - sold for Stormy Storm Geisha Boy (14) = 14 keys

https://backpack.tf/profiles/76561198360990510#!/compare/1492473600/1492560000

https://backpack.tf/profiles/76561198083673352#!/compare/1492473600/1492560000 - ?

http://www.tf2outpost.com/trade/28848797

https://backpack.tf/profiles/76561198069813252#!/compare/1492128000/1492300800 - sold for Bubbling Glengarry Bonnet (11) + 4 keys + sweets (1) = 14 keys b/o

http://www.tf2outpost.com/trade/29189124

https://backpack.tf/profiles/76561198050518375#!/compare/1495152000/1495238400 - sold for 9 keys + 22 ref + sweets = 10 keys (quicksold)

https://backpack.tf/profiles/76561198175499207#!/compare/1494288000/1494806400 - bulk

https://backpack.tf/profiles/76561198154033601#!/compare/1492819200/1492905600 - bulk

https://backpack.tf/profiles/76561198107079956#!/compare/1491955200/1492128000 - bulk

https://backpack.tf/profiles/76561198107079956#!/compare/1491868800/1491955200 - ?

https://backpack.tf/profiles/76561198335510890#!/compare/1491868800/1491955200 - ?

https://backpack.tf/profiles/76561198156379159#!/compare/1491782400/1491868800 - sold for Stormy Storm Pyro's Beanie (12) = 12 keys

https://backpack.tf/profiles/76561198121927155#!/compare/1491696000/1491782400 - sold with sweets (2) for Orbiting Fire Doctor's Sack (10) + 3 keys = 11 keys

Mini’s:

Dead Presidents Attendant:

https://backpack.tf/suggestion/59465eb8c44045127b05a4dc = 12 keys

Miami Nights Napoleon Complex:

https://backpack.tf/suggestion/5946ce6d0e2cad3df26b82e3 = 15 keys

Cloud 9 Base Metal Billycock:

https://backpack.tf/suggestion/5946ad08e338774b5027b754 = 12 keys

Stormy Storm Pyro's Beanie:

Sellers:

http://imgur.com/a/4Y08Z - b/o: 12 keys

Conclusion:

sales at 9, 10, 10, 11, 11, 12, 12, 12, 14, 14, 14, 14

taking 11-14 keys