Sale 1:

Sold with ~5.5 keys in items for Green Energy Prince Tavish's Crown (41.5)

http://www.tf2outpost.com/trade/29239029 - B/O of 35

Seller: https://backpack.tf/profiles/76561198085028947#!/compare/1498089600/1498176000

Buyer: https://backpack.tf/profiles/76561198060364147#!/compare/1497657600/1498176000

X = 35 (Capped by B/O)

Sale 2:

Sold for Stormy Storm Brown Bomber (33.5)

No outpost

Seller: https://backpack.tf/profiles/76561198072756501#!/compare/1496361600/1496448000

Buyer: https://backpack.tf/profiles/76561197964171516#!/compare/1496361600/1496448000

X = 34

Sale 3:

Sold for 34 keys

http://www.tf2outpost.com/trade/29261107 - Deleted B/O

Seller: https://backpack.tf/profiles/76561197964171516#!/compare/1499644800/1499731200

Buyer: https://backpack.tf/profiles/76561198174506338#!/compare/1499644800/1499904000

X = 34

Sale 4:

Sold for Pro. KS Aussie Scattergun (~32)

http://www.tf2outpost.com/trade/29307423 - B/O of 35

Seller: https://backpack.tf/profiles/76561198298210084#!/compare/1501545600/1501632000

Buyer: https://backpack.tf/profiles/76561198176864119#!/compare/1501545600/1501632000

X = 32

Sale 5:

Sold for Searing Festive Tree (Suggestion at 30.5) + 6 keys + > 2 keys in items

http://www.tf2outpost.com/trade/29212672 - B/O of 30

Seller: https://backpack.tf/profiles/76561198080179568#!/compare/1496793600/1496880000

Buyer: https://backpack.tf/profiles/76561198085028947#!/compare/1496793600/1496880000

X = 30 (Capped by B/O)

Sale 6:

Sold for Electrostatic Jumper's Jeepcap?

Seller: https://backpack.tf/profiles/76561198176864119#!/compare/1501632000/1501718400

Buyer: https://backpack.tf/profiles/76561198085347196#!/compare/1501632000/1501718400

Might not use this one, unsure of the sale here.

Sale 7:

Sold for Beams Counterfeit Billycock

No outpost

Seller: https://backpack.tf/profiles/76561198060364147#!/compare/1498694400/1499472000

Buyer: https://backpack.tf/profiles/76561198146169344#!/compare/1498608000/1500336000

Probably better to update the Billycock with this sale, due to lack of B/O here.

Sale 8:

Bulk for Unusual Nade launcher

Seller: https://backpack.tf/profiles/76561198205254623#!/compare/1497225600/1497744000

Buyer: https://backpack.tf/profiles/76561198071197720#!/compare/1497225600/1497744000

Sale 9:

Sold for Kill-a-Watt Das Ubersternmann

Seller: https://backpack.tf/profiles/76561198071197720#!/compare/1497744000/1497830400

Buyer: https://backpack.tf/profiles/76561198313483460#!/compare/1497744000/1497830400

Probably better to use on the Ubersternmann.

Sale 10:

Bulk for Blizzardy Winter Woodsman

Seller: https://backpack.tf/profiles/76561198313483460#!/compare/1497744000/1497830400

Buyer: https://backpack.tf/profiles/76561198087172601#!/compare/1497744000/1497830400

Sale 11:

Bulk for something

Seller: https://backpack.tf/profiles/76561198087172601#!/compare/1498262400/1498348800

Buyer: https://backpack.tf/profiles/76561198163565717#!/compare/1498262400/1498348800

Sale 12:

Bulk for Puzzle Pullover

No outpost

Seller: https://backpack.tf/profiles/76561198267226056#!/compare/1502668800/1502755200

Buyer: https://backpack.tf/profiles/76561198156315732#!/compare/1502496000/1502755200

Searing Festive Tree:

https://backpack.tf/suggestion/599bf626cf6c757c1f39e91c

Sellers:

35 keys:

http://www.tf2outpost.com/trade/29309754 - 2 weeks

37 keys:

http://i.imgur.com/EPtUMQX.png - 2 months (Duped)

http://i.imgur.com/xjUbEUk.png - 4 days

Sales at:

30

32

34 (2x)

35

Going with 30-35.