Sales 1-3:

Sold for $14.20, $17, & 19 on marketplace.tf

https://marketplace.tf/items/255;5;u35

http://manic.tf/keyprice/?at=2018-09-12 - $14.2 / $1.87 = 7.59 keys

http://manic.tf/keyprice/?at=2018-09-20 - $17 / $1.84 = 9.24 keys

http://manic.tf/keyprice/?at=2018-09-28 - $19 / $1.83 = 10.38 keys

X = 10

X = 9

X = 7.5

Sale 4:

Sold for 7 keys + ~0.5 keys in metal

Seller: https://backpack.tf/profiles/76561198048851745#!/compare/1539216000/1539302400

Buyer: https://backpack.tf/profiles/76561198154151921#!/compare/1538870400/1539302400

https://backpack.tf/item/1344863153

X = 7.5

Sale 5:

Sold for 7 keys + 13 ref

Seller: https://backpack.tf/profiles/76561198074647664#!/compare/1538179200/1538438400

Buyer: https://backpack.tf/profiles/76561198067207217#!/compare/1537920000/1538352000

https://backpack.tf/item/1159604203

X = 7.5

Sale 6:

Sold to a quickbuyer for 7 keys + 4 ref

Seller: https://backpack.tf/profiles/76561198857866018#!/compare/1539475200/1539561600

Buyer: https://backpack.tf/profiles/76561198337734785#!/compare/1539475200/1539561600

https://backpack.tf/item/1344863153

X = 7

Other Sales:

https://backpack.tf/item/1344863153 (#1-10)

https://backpack.tf/item/1880339571 (#11-13)

https://backpack.tf/item/1159604203 (#14)

https://backpack.tf/item/806386853 (#15-17)

#1

Untraceable

https://backpack.tf/profiles/76561198286234945#!/compare/1535587200/1535673600

https://backpack.tf/profiles/76561198028020885#!/compare/1535673600/1535760000

#2

Untraceable

https://backpack.tf/profiles/76561198028020885#!/compare/1535673600/1535760000

https://backpack.tf/profiles/76561198337734785#!/compare/1535673600/1535760000

#3

Untraceable

https://backpack.tf/profiles/76561198337734785#!/compare/1535846400/1535932800

https://backpack.tf/profiles/76561198048851745#!/compare/1535846400/1535932800

#4

Untraceable

https://backpack.tf/profiles/76561198048851745#!/compare/1538092800/1538265600

https://backpack.tf/profiles/76561198339772560#!/compare/1538179200/1538265600

was most likely 7 keys and 22 ref

#5

Untraceable

https://backpack.tf/profiles/76561198339772560#!/compare/1538179200/1538265600

https://backpack.tf/profiles/76561198321391853#!/compare/1538179200/1538265600

#6

Untraceable

https://backpack.tf/profiles/76561198321391853#!/compare/1538179200/1538265600

https://backpack.tf/profiles/76561198185398750#!/compare/1536969600/1538265600

#7

Untraceable

https://backpack.tf/profiles/76561198185398750#!/compare/1536969600/1538265600

https://backpack.tf/profiles/76561198048851745#!/compare/1538265600/1538352000

#8

Sold with Schadenfreude for Showstopper Oblooterated + Bill’s

https://backpack.tf/profiles/76561198154151921#!/compare/1538870400/1539302400

https://backpack.tf/profiles/76561198345754038#!/compare/1537056000/1539302400

Can be used on the Obloot.

#9

Sold with spelled Strange Black Box for Peace Sign Polar Bear?

Seller: https://backpack.tf/profiles/76561198345754038#!/compare/1539388800/1539475200

Buyer: https://backpack.tf/profiles/76561198331693432#!/compare/1539388800/1539475200

Can be used on the Polar Bear (if the sale is correct). In need of a drop with current sellers.

#10

Untraceable

https://backpack.tf/profiles/76561198331693432#!/compare/1539388800/1539475200

https://backpack.tf/profiles/76561198857866018#!/compare/1539388800/1539475200

#11

Untraceable

https://backpack.tf/profiles/76561198205978603#!/compare/1534636800/1535068800

https://backpack.tf/profiles/76561198006544512#!/compare/1534636800/1534723200

#12

Untraceable

https://backpack.tf/profiles/76561198006544512#!/compare/1536278400/1536364800

https://backpack.tf/profiles/76561198049190146#!/compare/1536278400/1536364800

#13

Untraceable

https://backpack.tf/profiles/76561198067207217#!/compare/1538870400/1540944000

https://backpack.tf/profiles/76561198844141015#!/compare/1539475200/1540166400

#14

Untraceable

https://backpack.tf/profiles/76561198844141015#!/compare/1540166400/1541462400

https://backpack.tf/profiles/76561198044684270#!/compare/1540080000/1540166400

#15 & #16

Untraceable, to and from scrap

https://backpack.tf/profiles/76561198373958256#!/compare/1539734400/1540684800

https://backpack.tf/profiles/76561198135388328#!/compare/1540598400/1540684800

https://backpack.tf/profiles/76561198035280371#!/compare/1540512000/1540771200

#17

Sold with ~0.5 keys in items for Blizzardy Storm Coupe D’isaster (Mini at 8 below)

https://i.imgur.com/W3AH3kO.png - B/O of ~8.5

https://backpack.tf/profiles/76561198035280371#!/compare/1541721600/1542067200

https://backpack.tf/profiles/76561198157552570#!/compare/1541980800/1542067200

Blizz Coupe mini:

https://backpack.tf/profiles/76561198125791160#!/compare/1541548800/1541635200 - 8 keys

https://backpack.tf/item/1625652987

The sale ends up at 8.5, which is too high given the month unsold at ~8.4.

Sellers:

https://i.imgur.com/b45FBi7.png

8 keys:

https://backpack.tf/item/806386853

~8.4 keys:

https://backpack.tf/item/1344863153

9 keys:

https://backpack.tf/item/1956463727

10 keys:

https://backpack.tf/item/1159604203

Sales at:

7

7.5

9

10

Unsolds at 8.4 and 9 for long amounts of time. Excluding anything higher.

7 is a single sale to a quickbuyer, excluding 7.

Going with 7.5 flat.