Sale 1:

Sold for Phosphorus Valley Forge (Mini at 58 below) + ~4 keys in pure/items

http://www.tf2outpost.com/trade/29439919 - B/O of 70

Seller: https://backpack.tf/profiles/76561198138119811#!/compare/1510876800/1510963200

Buyer: https://backpack.tf/profiles/76561198258595192#!/compare/1505779200/1510963200

X = 62

Sale 2:

Sold for 60 keys

Seller: https://backpack.tf/profiles/76561198115721685#!/compare/1512691200/1512777600

Buyer: https://backpack.tf/profiles/76561198082684654#!/compare/1512691200/1512777600

X = 60

Sale 3:

Sold for Green Energy Hetman’s (Suggestion at 18.5) + Insomnia Powdered Practitioner (Suggestion at 23) + ~11.5 keys in items

No outpost

Seller: https://backpack.tf/profiles/76561198080179568#!/compare/1509926400/1510012800

Buyer: https://backpack.tf/profiles/76561198117433241#!/compare/1510012800/1510099200

X = 53

Sale 4:

Sold for Pro. KS Aussie Rocket Launcher (43)

Seller: https://backpack.tf/profiles/76561198117433241#!/compare/1510185600/1510272000

Buyer: https://backpack.tf/profiles/76561197994697258#!/compare/1510185600/1510272000

X = 43

Sale 5:

Sold for 43 keys

Seller: https://backpack.tf/profiles/76561198125791160#!/compare/1509235200/1509321600

Buyer: https://backpack.tf/profiles/76561198051925253#!/compare/1509235200/1509321600

Pretty sure this went to a buy order. A lot of taunts left Andrei’s backpack that day, most others went to quickbuyers.

X = 43

Sale 6:

Bulk for Scorching Samur-Eye

Seller: https://backpack.tf/profiles/76561198066195760#!/compare/1511308800/1511395200

Buyer: https://backpack.tf/profiles/76561198151696423#!/compare/1511308800/1511395200

Sale 7:

Bulk for Haunted Phantasm Rancho

Seller: https://backpack.tf/profiles/76561198071939990#!/compare/1511481600/1512000000

Buyer: https://backpack.tf/profiles/76561198115721685#!/compare/1511913600/1512000000

Phosphorus Valley Mini:

Sold with 3 keys for Circling Peace Sign Neckwear Headwear (Suggestion at 60.5)

http://www.tf2outpost.com/trade/29446657 - No B/O

Seller: https://backpack.tf/profiles/76561198138119811#!/compare/1510963200/1511049600

Buyer: https://backpack.tf/profiles/76561198346118738#!/compare/1510963200/1511049600

X = 58

Peace Sign Neckwear:

https://backpack.tf/suggestion/5a2cc58244325a30d37a9e71

Green Energy Hetman’s Headpiece:

https://backpack.tf/suggestion/5a2cd662cf6c7552ad64c556

Insomnia Practitioner:

https://backpack.tf/suggestion/5a2cf727cf6c7576b94d4cdd

Sellers:

79 keys:

https://i.imgur.com/VWpPsGb.png - young

80 keys:

https://i.imgur.com/USc7Al5.png - 16 days

90 keys:

https://i.imgur.com/ZbwUX4r.png - 1 month

95 keys:

https://i.imgur.com/GF92U75.png - 1 month

http://www.tf2outpost.com/trade/29464554 - 1 week

Offers:

http://www.tf2outpost.com/trade/28749063 - 10 months

http://www.tf2outpost.com/trade/29465191 - 1 week

Sales at:

43 (2x)

53

60

62

One of the sales at 43 most likely went to a buy order. Excluding 43.

Going with 53-62.