Very outdated price

Sale 1: Sold for Circling TF Logo Wraith Wrap (35; in-date) --> 35 keys

http://backpack.tf/profiles/76561198124819882#!/compare/1490659200/1490745600

Sale 2: Sold for Haunted Ghost Brian Bowl (45; indate) --> 45 keys

http://backpack.tf/profiles/76561198124819882#!/compare/1490400000/1490659200

Sale 3: 39 keys pure

http://backpack.tf/profiles/76561198156660669#!/compare/1490313600/1492387200

http://i.imgur.com/J598DPF.png

Sale 4: Sold for Miami Nights Company Man (39) + ~4.5 keys --> 43.5; rounding to 44 keys

http://backpack.tf/profiles/76561197961172123#!/compare/1493942400/1494028800

http://backpack.tf/profiles/76561198093824881#!/compare/1493942400/1494028800

Mini Company Man: Sold for Professional Killstreak Australium Tomislav (15) + Infernal Smoke Taunt: Battin' a Thousand (18) + 4 keys + Professional Killstreak Batsaber Kit (~2 keys) --> 39 keys

http://backpack.tf/profiles/76561198054758757#!/compare/1494633600/1494720000

Sale 5: 37 keys pure

http://backpack.tf/profiles/76561198002757046#!/compare/1492214400/1492300800

Sale 6: 38 keys pure

http://backpack.tf/profiles/76561198049027036#!/compare/1493078400/1493251200

Sale 7: Sold for Miami Nights Tyrant (25) + 5 keys --> 30 keys

http://backpack.tf/profiles/76561198167740954#!/compare/1493856000/1493942400

B/O was 40 keys http://www.tf2outpost.com/trade/28908686

Mini Tyrant: 25 keys pure http://backpack.tf/profiles/76561198046595129#!/compare/1492732800/1492992000

Sale 8: ~30 keys

http://backpack.tf/profiles/76561198127333582#!/compare/1494115200/1494201600

Sale 9: Untraceable

http://backpack.tf/profiles/76561198069149238#!/compare/1494892800/1494979200

Sale 10: ~42 keys on marketplace --> 42 keys

https://marketplace.tf/items/183;5;u16

Sale 11: ~37 keys on marketplace --> 37 keys

https://marketplace.tf/items/183;5;u16

Sales at: 30, 30, 35, 37,37, 38, 39, 42, 40, 45.

Active buy order at 30 keys --> excluding.

Suggesting range from 35-45 keys.