Sale 1: Untraceable

https://backpack.tf/profiles/76561198031291859#!/compare/1500163200/1500249600

Sale 2: Untraceable, IDs don't match

https://backpack.tf/profiles/76561198069740698#!/compare/1500854400/1500940800

https://backpack.tf/profiles/76561198141505774#!/compare/1500854400/1500940800

Sale 3: Sold together with 7.5 keys pure for Haunted Ghosts Hot Dogger

https://backpack.tf/profiles/76561198035312409#!/compare/1501027200/1501113600

Needs to be used on Hot Dogger said Mindacos

Sale 4: Sold for Professional Killstreak Australium Scattergun (32) + 6 keys --> 38

https://backpack.tf/profiles/76561198035312409#!/compare/1501545600/1501632000

Sale 5: Sold for Haunted Phantasm Jr Brim-Full Of Bullets

https://backpack.tf/profiles/76561198298210084#!/compare/1501632000/1501718400

Sale should be used to update the outdated Brim said Mindacos

Sale 6: 30 keys pure

https://backpack.tf/profiles/76561198109272505#!/compare/1502323200/1502496000

B/O was 35 http://www.tf2outpost.com/trade/29309026 took a week to sell

Sales at 30 and 38. Suggesting range from 30-38

Thank you mindacos for the help. This was a tricky one!