Sale 1:

Sold for 20 keys?

http://www.tf2outpost.com/trade/27920003 - B/O of 20

Seller: http://backpack.tf/profiles/76561198092471230/#!/compare/1460160000/1460246400

Buyer: http://backpack.tf/profiles/76561198168169215/#!/compare/1460160000/1460246400

X = 20

Sale 2:

Sold with a key in items for Australium Grenade Launcher

http://www.tf2outpost.com/trade/27902114 - B/O of 20, was originally 23: http://www.tf2outpost.com/trade/27863501

Seller: http://backpack.tf/profiles/76561198164053741/#!/compare/1456646400/1456905600

Buyer: http://backpack.tf/profiles/76561198155953868/#!/compare/1456732800/1456905600

X + 1 = 21

X = 20

Sale 3:

Sold for 17 keys + ~4 keys in items

http://www.tf2outpost.com/trade/27778621 - no B/O, buyer comments on trade

Seller: http://backpack.tf/profiles/76561198064062457/#!/compare/1454486400/1454572800

Buyer: http://backpack.tf/profiles/76561198067965454/#!/compare/1454572800/1454659200

X = 17 + 4

X = 21

Sale 4:

Sold for Spec. KS Aussie knife

http://www.tf2outpost.com/trade/27857221 - B/O of 28

Seller: http://backpack.tf/profiles/76561198114965529/#!/compare/1455696000/1455782400

Buyer: http://backpack.tf/profiles/76561198055837437/#!/compare/1455782400/1455868800

X = 24

Sale 5: (Strange)

Sold for Potassium Bonnet + Strange Pro. KS Degreaser + 3 keys in items

http://www.tf2outpost.com/trade/27856482 - B/O of 28

Seller: http://backpack.tf/profiles/76561198032176942/#!/compare/1456473600/1456560000

Buyer: http://backpack.tf/profiles/76561198058974390/#!/compare/1456473600/1456560000

Bonnet: http://backpack.tf/item/4127605303

X = 12 + 10 + 3

X = 25

Sale 6:

Sold with 2 keys in items for Blizzardy Storm Cannon Ball

http://www.tf2outpost.com/trade/27807150 - Offers

Seller: http://backpack.tf/profiles/76561198090275891/#!/compare/1455436800/1455523200

Buyer: http://backpack.tf/profiles/76561198114965529/#!/compare/1455436800/1455523200

X + 2 = 27

X = 25

Sale 7:

Sold for TF Logo Private Eye + 8 keys in items

http://www.tf2outpost.com/trade/28065381 - B/O of 25

Seller: http://backpack.tf/profiles/76561198156585015/#!/compare/1460332800/1460419200

Buyer: http://backpack.tf/profiles/76561198156450040/#!/compare/1460332800/1460419200

X = 25 (Capped by B/O)

Sale 8:

Sold for ~25 keys in items (15 day hold)

No outpost link available

Seller: http://backpack.tf/profiles/76561198254754622/#!/compare/1457510400/1458950400

Buyer: http://backpack.tf/profiles/76561198052378259/#!/compare/1457510400/1458950400

X = 25

Sale 9:

Sold for Disco Beat Down Grimm Hatte

No outpost link available

Seller: http://backpack.tf/profiles/76561198259518713/#!/compare/1457769600/1457856000

Buyer: http://backpack.tf/profiles/76561198190577279/#!/compare/1457769600/1457856000

X = 26

Sale 10:

Sold for Haunted Ghosts Flipped Trilby

http://www.tf2outpost.com/trade/27867873 - B/O of 27

Seller: http://backpack.tf/profiles/76561198055837437/#!/compare/1455955200/1456041600

Buyer: http://backpack.tf/profiles/76561198091469344/#!/compare/1455868800/1456041600

X = 27 (Capped by B/O)

Sale 11: (Strange)

Sold for Strange Pro. KS Degreaser….

http://www.tf2outpost.com/trade/27900690 - B/O of Max’s

Seller: http://backpack.tf/profiles/76561198058974390/#!/compare/1456732800/1457078400

Buyer: http://backpack.tf/profiles/76561198043776684/#!/compare/1456992000/1457164800

X = 10

Sale 12:

Sold quickly for Strange Pro. KS Australium Tomislav

http://www.tf2outpost.com/trade/27798357

Seller: http://backpack.tf/profiles/76561198079848769/#!/compare/1454572800/1454659200

Buyer: http://backpack.tf/profiles/76561198090275891/#!/compare/1454572800/1454659200

X = 17

Sale 13:

Sold with Damage Dealt part for TF Logo Berlin ‘s Bucket Helm

No outpost link available

Seller: http://backpack.tf/profiles/76561198115014122/#!/compare/1457164800/1457251200

Buyer: http://backpack.tf/profiles/76561198035076861/#!/compare/1457164800/1457251200

Should be used to update the bucket helm

Sale 14:

Sold with a key for Stormy Storm Flamboyant Flamenco

http://www.tf2outpost.com/trade/27927449 - B/O of 23

Seller: http://backpack.tf/profiles/76561198035076861/#!/compare/1457337600/1457424000

Buyer: http://backpack.tf/profiles/76561198045047491/#!/compare/1457251200/1457510400

Should be used to update the Flamenco, as it is 1 year outdated, and there are plenty of sales here

Sale 15:

Bulk for Ghastly Ghosts Pirate’s Bandana

Seller: http://backpack.tf/profiles/76561198156450040/#!/compare/1460592000/1460678400

Buyer: http://backpack.tf/profiles/76561198057422775/#!/compare/1460592000/1460678400

Sellers:

20 keys:

http://puu.sh/ojjQY/077be0e01a.png - 1 month

http://www.tf2outpost.com/trade/28058960 - 5 days

25 keys:

http://puu.sh/ojjVn/d83f43b533.png - young?

http://www.tf2outpost.com/trade/27850752 - 1 month

http://www.tf2outpost.com/trade/28034221 - 1 week

28 keys:

http://puu.sh/ojjSE/65cf9c3554.png - 2 months

http://www.tf2outpost.com/trade/27993716 - 3 weeks

Offers:

http://www.tf2outpost.com/trade/27326856 - 5 months

Sales at:

10

17

20

20

21

24

25

25

25

25

26

27

17 is an outlier due to how quickly it sold

Going with 20-27

Yay!