Cloud 9 Scotch Bonnet

Sale 1:

Sold for $38 on Marketplace.tf

Seller: http://backpack.tf/profiles/76561198064059275#!/compare/1489968000/1490227200

Buyer: http://backpack.tf/profiles/76561197998852553#!/compare/1491955200/1492992000

https://marketplace.tf/items/306;5;u58

X = 18

Sale 2:

Sold for 18 keys

http://www.tf2outpost.com/trade/28841439 - No visible B/O

Seller: http://backpack.tf/profiles/76561198053252981#!/compare/1491091200/1491177600

Buyer: http://backpack.tf/profiles/76561198353220862#!/compare/1490832000/1491177600

X = 18

Sale 3:

Sold for 15 keys + 14 ref

No outpost

Seller: http://backpack.tf/profiles/76561198324627665#!/compare/1487635200/1487808000

Buyer: http://backpack.tf/profiles/76561198081172432#!/compare/1487721600/1487808000

X = 16

Sale 4:

Sold for Planets Fronter Djustice (15)

No outpost

Seller: http://backpack.tf/profiles/76561198087962998#!/compare/1490486400/1490572800

Buyer: http://backpack.tf/profiles/76561198167488923#!/compare/1490400000/1490659200

X = 15

Sale 5:

Sold in a day for Spec. KS Aussie Black Box (14)

No outpost

Seller: http://backpack.tf/profiles/76561198108170854#!/compare/1491609600/1491782400

Buyer: http://backpack.tf/profiles/76561198207284808#!/compare/1491609600/1491696000

X = 14

Excluding 14, sold in a day

Seller at 15 on the classifieds

Going with 15-18