Sale 1:

https://backpack.tf/profiles/76561198376925491#!/compare/1569110400/1569283200

https://backpack.tf/profiles/76561198373225673#!/compare/1568764800/1569283200

Sold for Isotope Geo BS RL(24.5) + 2 keys

Total is 26.5 keys

sale 2:

https://backpack.tf/profiles/76561198373225673#!/compare/1569456000/1569542400

https://backpack.tf/profiles/76561198155066949#!/compare/1568937600/1569542400

Sold with 2 keys for Nether Hellmet

Hellmet Mini:

https://backpack.tf/suggestion/5dd631e1d381725dd85340b8

Suggestion for 28 keys

Total is 26 keys

Sale 3:

https://backpack.tf/profiles/76561198292929614#!/compare/1568332800/1570924800

https://backpack.tf/profiles/76561198371542938#!/compare/1567555200/1568419200

Untrace

Sale 4:

https://backpack.tf/profiles/76561198371542938#!/compare/1568419200/1568505600

https://backpack.tf/profiles/76561198334946156#!/compare/1568419200/1568505600

Sold for CH Trans

use there

sale 5:

https://backpack.tf/profiles/76561198334946156#!/compare/1569196800/1569283200

https://backpack.tf/profiles/76561198269395083#!/compare/1569196800/1569283200

QS

sale 6:

https://backpack.tf/profiles/76561198305494036#!/compare/1569542400/1569628800

https://backpack.tf/profiles/76561198140810252#!/compare/1569542400/1569628800

Sold for 25 keys (keys came from Aussie Sniper)

Sale 7:

https://backpack.tf/profiles/76561198140810252#!/compare/1569715200/1569974400

https://backpack.tf/profiles/76561198030343929#!/compare/1569715200/1569974400

Keys

Sale 8:

https://marketplace.tf/items/tf2/201;15;u702;w5;pk201;kt-2

$59.99 / $1.76 = 34.09 keys

Total sales @:

25, 26, 26.5, 34 keys

https://backpack.tf/classifieds?page=2&item=Quack%20Canvassed%20%7C%20Sniper%20Rifle%20%28Battle%20Scarred%29&quality=15&tradable=1&craftable=1&australium=-1&particle=702&killstreak_tier=0

Buyers up to ~23 keys,

calling 34 high,

taking 25 - 27 keys.