The Sale:

Sold for 97 keys

Seller: https://backpack.tf/profiles/76561198231082180#!/compare/1560729600/1560816000

Buyer: https://backpack.tf/profiles/76561198136053973#!/compare/1560384000/1560816000

https://backpack.tf/item/7058594189

X = 97

Marketplace Sales:

https://marketplace.tf/items/tf2/538;5;u19

$246.70 on August 9th, and $160 on July 8th

http://manic.tf/keyprice?at=2019-07-08&price=160 - $160 / $1.83 = 87.43 keys

https://backpack.tf/item/7058594189

Sold to a buy order, B/O isn't necessary.

https://manic.tf/keyprice/?at=2019-08-09&price=246.7 - $246.7 / $1.83 = 134.81 keys

https://backpack.tf/item/3374271497

https://bot.tf/stats/listings/MLRV7P9J - No B/O

X = 135

X = 87

Other Sales:

https://backpack.tf/item/7058594189 (#1-3)

#1

Bulk for pure

https://backpack.tf/profiles/76561198120467518#!/compare/1559952000/1560556800

https://backpack.tf/profiles/76561198231082180#!/compare/1560470400/1560556800

#2

Bulk for cash probably

https://backpack.tf/profiles/76561198136053973#!/compare/1561420800/1561507200

https://backpack.tf/profiles/76561198040280241#!/compare/1561420800/1561507200

#3

Untraceable

https://backpack.tf/profiles/76561198040280241#!/compare/1561939200/1562025600

https://backpack.tf/profiles/76561198223249164#!/compare/1561939200/1562025600

Sellers:

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

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

https://backpack.tf/item/7058594189 - 130 keys

https://backpack.tf/item/7544699543 - on SCM

https://backpack.tf/item/7138407193 - 135 keys

https://backpack.tf/item/5376326423 - 140 keys

https://backpack.tf/item/688575302 - 145 keys

https://backpack.tf/item/7432043924 - 145 keys

https://backpack.tf/item/1609041647 - 220 keys, duped

Sales at:

87

97

135

The 87 key sale on marketplace quicksold, most likely to a buy order. Excluding 87.

135 is too high given the 2 month unsold at 130, and the bot that had owned it for at least 6 months, currently listed at 135. Excluding 135.

Going with 97 flat.