Sale 1:

Sold for 11 keys

Seller: https://backpack.tf/profiles/76561198327078449#!/compare/1520294400/1520380800

Buyer: https://backpack.tf/profiles/76561198101499843#!/compare/1520294400/1520380800

X = 11

Sale 2:

Sold for 11 keys

Seller: https://backpack.tf/profiles/76561198106233311#!/compare/1520035200/1520121600

Buyer: https://backpack.tf/profiles/76561198212782384#!/compare/1520035200/1520121600

X = 11

Sale 3:

Sold for Blizzardy Storm Little Buddy (11)

Seller: https://backpack.tf/profiles/76561198358436150#!/compare/1519171200/1519603200

Buyer: https://backpack.tf/profiles/76561198122604075#!/compare/1519430400/1519516800

X = 11

Sale 4:

Sold for Green Confetti Napper’s Respite + some rocket launcher skin (~5)

http://www.tf2outpost.com/trade/29560945 - No B/O

Seller: https://backpack.tf/profiles/76561198021272428#!/compare/1518998400/1519084800

Buyer: https://backpack.tf/profiles/76561198358436150#!/compare/1519084800/1519171200

This sale will be really high without a B/O cap, excluding.

Sale 5:

Sold for Bubbling Little Buddy

Seller: https://backpack.tf/profiles/76561198035671259#!/compare/1519603200/1521849600

Buyer: https://backpack.tf/profiles/76561198106233311#!/compare/1519603200/1519689600

Can be used on the Bubbling Little Buddy.

Sellers:

~12.35 keys:

https://i.imgur.com/3DGp6JO.png

https://backpack.tf/item/2211925784

13 keys:

http://www.tf2outpost.com/trade/29600545

15 keys:

https://i.imgur.com/2so70iI.png

https://backpack.tf/item/4506763025

Sales at:

11 (3x)

Going with 11 flat.