Item 1:

https://backpack.tf/item/17080054053

Seller:

https://backpack.tf/profiles/76561198168073956#!/compare/1781049600/1781222400

Buyer:

https://backpack.tf/profiles/76561198271892201#!/compare/1781136000/1781222400

ID: 17138598671 --> bulk for a Strange Field Tested Boneyard Wrench

Item 2:

https://backpack.tf/item/10236898108

Sale 1:

Seller:

https://backpack.tf/profiles/76561198344097530#!/compare/1782864000/1783123200

Buyer:

https://backpack.tf/profiles/76561199830167178#!/compare/1783036800/1783123200

ID: 17220344194 --> inventory buyer? no clear trace on seller's side + bulk

Sale 2:

Seller:

https://backpack.tf/profiles/76561199830167178#!/compare/1783123200/1783209600

Buyer:

https://backpack.tf/profiles/76561199830167178#!/compare/1783123200/1783209600

Looks to be the basically the same as the Sale 1 bulk trade, multiple histories on seller's removed side match to vexon

Sale 3:

Seller:

https://backpack.tf/profiles/76561198836757260#!/compare/1783468800/1783555200

Buyer:

https://backpack.tf/profiles/76561198104315166#!/compare/1783468800/1783555200

ID: 17236352180 --> 49 match.

However, full trade was 80 keys:

https://imgur.com/a/IfgDyNx

Sale at 80, taking [b]80 keys[/b].