The Sale:

Sold for Nuts n’ Bolts Tundra Top (Suggestion at 12.5)

Seller: https://backpack.tf/profiles/76561198119149660#!/compare/1548288000/1548374400

Buyer: https://backpack.tf/profiles/76561198336763890#!/compare/1546560000/1550016000

https://backpack.tf/item/4786924607

X = 13

Other Sales:

https://backpack.tf/item/7444750254 (#1)

https://backpack.tf/item/4786924607 (#2 & #3)

https://backpack.tf/item/1801479916 (#4)

https://backpack.tf/item/5136846084 - scammers

https://backpack.tf/item/2250870450 - tf2mart

#1

Untraceable

https://backpack.tf/profiles/76561198079569192#!/compare/1548460800/1548633600

https://backpack.tf/profiles/76561198034732229#!/compare/1548547200/1548633600

A couple keys and the prinnies match.

#2

Bulk for Green Confetti Soldered Sensei

https://backpack.tf/profiles/76561198255951964#!/compare/1546387200/1546560000

https://backpack.tf/profiles/76561198119149660#!/compare/1546473600/1546560000

#3

Untraceable, only some keys/metal appear

https://backpack.tf/profiles/76561198125035818#!/compare/1550102400/1550188800

https://backpack.tf/profiles/76561198363395191#!/compare/1550102400/1550188800

Sold to a quickbuyer anyways, so whatever

#4

Untraceable

https://backpack.tf/profiles/76561198121555078#!/compare/1548460800/1548547200

https://backpack.tf/profiles/76561198310537468#!/compare/1548201600/1548460800

Nuts Tundra:

https://backpack.tf/suggestion/5ca61b9f678072765b36df43

Sellers:

https://i.imgur.com/sIoq4RH.png

https://backpack.tf/item/4786924607 - 14 keys

Sale at 13.

Going with 13 flat.