This billycock about to haunt your life forever, girl'

A few recent sales on this "billycock":

Sale 1:

https://i.imgur.com/V780J7T.png

https://steamuserimages-a.akamaihd.net/ugc/963108970119467291/DD4C2A37AF6F0A620B9ED3812D0E57C62E497B98/

https://steamuserimages-a.akamaihd.net/ugc/963108970119388768/64B3BCFA6F41BFACCF3E4EE11C550A659F4EB1C8/

Sold on SCM for $39.44

Keys were $2.35 at the time

39.44 / 2.35 = 16.78 = 17 keys

Sale 2:

https://backpack.tf/profiles/76561197998376896#!/compare/1543104000/1543190400

https://backpack.tf/profiles/76561198862571271#!/compare/1543276800/1543363200

Gifted = excluding

Sale 3:

https://marketplace.tf/items/30007;5;u8

Gifted one from "Sale 2" was resold on MP.tf for $25.14

Keys were $1.75 that day: https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key

25.14/1.75 = 14.36 = 14 keys

Sale 4:

https://backpack.tf/profiles/76561198425436159#!/compare/1547164800/1547596800

Unknown amount = Excluding

Sale 5:

https://backpack.tf/profiles/76561198091502579#!/compare/1547251200/1547337600

Sold to Erik for 12 keys = Excluding due buyorders and how fast the hat was sold.

Taking 14-17