Finally.

10 recent sales, unpriced.

Sale 1:

https://backpack.tf/profiles/76561198185982134#!/compare/1497052800/1497225600

SCM.

Unusable.

Sale 2:

https://backpack.tf/profiles/76561198110848015#!/compare/1493596800/1494115200

Cashout.

Unusable.

Sale 3:

https://backpack.tf/profiles/76561198088883838#!/compare/1495497600/1495584000

SCM.

Unusable.

Sale 4:

https://backpack.tf/profiles/76561198065854668#!/compare/1493337600/1493510400

Bulk.

Unusable.

Sale 5:

https://backpack.tf/profiles/76561198185749394#!/compare/1491177600/1491264000

https://backpack.tf/profiles/76561198320741748#!/compare/1491177600/1491264000

Bulk.

Unusable.

Sale 6:

https://backpack.tf/profiles/76561198185749394#!/compare/1491350400/1491436800

Cashout.

Unusable.

Sale 7:

https://backpack.tf/profiles/76561198009163510#!/compare/1496275200/1496361600

https://backpack.tf/profiles/76561198046195526#!/compare/1496188800/1496361600

Sold for 37 keys pure.

37 total.

Sale 8:

https://backpack.tf/profiles/76561198280245070#!/compare/1495929600/1496016000

https://backpack.tf/profiles/76561198316071886#!/compare/1495929600/1496016000

Bulk.

Unusable.

Sale 9:

https://backpack.tf/profiles/76561198069149238#!/compare/1498176000/1498262400

Cashout.

Unusable.

Sale 10:

https://backpack.tf/profiles/76561198069149238#!/compare/1498089600/1498176000

https://backpack.tf/profiles/76561198316071886#!/compare/1497571200/1497657600

Looks like brokering or something? Some of the removed items swapped hands between the two.

Untrace/Unusable.

Rolling with 37 flat.