Sale 1:

Sold for 14 keys

Seller: https://backpack.tf/profiles/76561198112516663#!/compare/1548288000/1548460800

Buyer: https://backpack.tf/profiles/76561198278678961#!/compare/1548374400/1548547200

https://backpack.tf/item/7431807664

X = 14

Sale 2:

Sold for Disco Beat Down Gridiron Guardian (Mini at 9.5 below) + Spectral Front Runner (2)

Seller: https://backpack.tf/profiles/76561198269636307#!/compare/1550707200/1550880000

Buyer: https://backpack.tf/profiles/76561198083765817#!/compare/1550707200/1550880000

https://backpack.tf/profiles/76561198269636307#!/compare/1551052800/1551139200 - front runner sold for 2 keys

https://backpack.tf/item/7431807664

X = 12

Sale 3:

Sold with less than half a key in metal/items for 12 keys

Seller: https://backpack.tf/profiles/76561198089253101#!/compare/1550188800/1550275200

Buyer: https://backpack.tf/profiles/76561198269487332#!/compare/1550188800/1550275200

https://backpack.tf/item/7431807664

X = 12

Sale 4:

Sold to a bot for 10 keys + more than half a key in metal

Seller: https://backpack.tf/profiles/76561198165055074#!/compare/1548633600/1548720000

Buyer: https://backpack.tf/profiles/76561198323565601#!/compare/1548633600/1548720000

https://backpack.tf/item/7431807664

X = 11

Sale 5:

Sold with cheap cosmetics for Circling Peace Sign Tippler’s Tricorne (Suggestion at 10.5)

Seller: https://backpack.tf/profiles/76561198278678961#!/compare/1548374400/1548547200

Buyer: https://backpack.tf/profiles/76561198301336678#!/compare/1548460800/1548547200

https://backpack.tf/item/7431807664

X = 10

Other Sales:

https://backpack.tf/item/7431807664 (#1-5)

https://backpack.tf/item/6776841163 (#6)

#1

Bulk for Miami War Pig and stuff

https://backpack.tf/profiles/76561198301336678#!/compare/1548547200/1548633600

https://backpack.tf/profiles/76561198165055074#!/compare/1548547200/1548633600

#2

Bulk?

https://backpack.tf/profiles/76561198323565601#!/compare/1548806400/1548892800

https://backpack.tf/profiles/76561198089253101#!/compare/1548806400/1548892800

#3

Sold with a key for Nuts Safe’n’Sound

https://backpack.tf/profiles/76561198269487332#!/compare/1550275200/1550361600

https://backpack.tf/profiles/76561198068334298#!/compare/1550275200/1550361600

#4

Untraceable

https://backpack.tf/profiles/76561198068334298#!/compare/1550275200/1550361600

https://backpack.tf/profiles/76561198269636307#!/compare/1550275200/1550361600

#5

Untraceable

https://backpack.tf/profiles/76561198083765817#!/compare/1550880000/1550966400

https://backpack.tf/profiles/76561198123224716#!/compare/1550880000/1550966400

#6

Bulk for Green Confetti Balloonihoodie

https://backpack.tf/profiles/76561198258264645#!/compare/1548288000/1548460800

https://backpack.tf/profiles/76561198062749575#!/compare/1547942400/1548460800

Disco Gridiron:

https://backpack.tf/suggestion/5cab27a2678072133049791a

Peace Sign Tricorne:

https://backpack.tf/suggestion/5cab0c7c678072016642d58a

Sellers:

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

https://backpack.tf/item/5745504150 - 13 keys

Sales at:

10

11

12 (2x)

14

Quickbuyers at ~10.6, excluding 10.

11 went to a quickbuyer (only seems higher than current quickbuyers because it’s rounded). Excluding 11.

Going with 12-14.