Sale 1:

Sold for 13 keys

http://www.tf2outpost.com/trade/28802851 – B/O of 14

Seller: https://backpack.tf/profiles/76561198067575136#!/compare/1488931200/1489017600

Buyer: https://backpack.tf/profiles/76561198024704277#!/compare/1488931200/1489017600

X = 13

Sale 2:

Sold for 11 keys in ~2-3 days

http://www.tf2outpost.com/trade/28860323 - B/O of 11

Seller: https://backpack.tf/profiles/76561198153969524#!/compare/1491436800/1491609600

Buyer: https://backpack.tf/profiles/76561198058176385#!/compare/1491436800/1491523200

X = 11

Sale 3:

Quicksold for 11 keys + 10 ref

http://www.tf2outpost.com/trade/28862874 - Deleted B/O

Seller: https://backpack.tf/profiles/76561198337734785#!/compare/1491436800/1491523200

Buyer: https://backpack.tf/profiles/76561198243588966#!/compare/1491004800/1491609600

X = 11

Sale 4:

Sold with 3 keys for Tesla Coil Wing Mann

Seller: https://backpack.tf/profiles/76561198243588966#!/compare/1491609600/1492214400

Buyer: https://backpack.tf/profiles/76561198257836694#!/compare/1492041600/1492214400

This’ll be way too low

Sale 5:

Sold with 4 ref for Blizzardy Tippler’s Tricorne

Seller: https://backpack.tf/profiles/76561198257836694#!/compare/1492214400/1492387200

Buyer: https://backpack.tf/profiles/76561198111479451#!/compare/1492300800/1492387200

Should be used on the Tricorne

Sale 6:

Sold for Nuts n Bolts Big Elfin Deal + >3 keys in items

http://www.tf2outpost.com/trade/28900147 - B/O of 13

Seller: https://backpack.tf/profiles/76561198232041512#!/compare/1494115200/1494201600

Buyer: https://backpack.tf/profiles/76561198051914876#!/compare/1493596800/1494201600

Couldn’t get a mini on the Elf, but this should most likely cap.

Sellers:

13 keys:

http://i.imgur.com/eCeh2kZ.png - 15 days, most likely lowered then

https://backpack.tf/u/76561198106233311

http://www.tf2outpost.com/trade/28860400 - 1 month, listed for 14 here

Sales at:

13

11 (2x)

And another sale that involved an item that couldn’t be mini’d.

11 quicksold. Excluding 11.

Going with 13 flat.