Creds to Scourge for making this

Sale 1:

https://backpack.tf/profiles/76561198404976772#!/compare/1565740800/1566604800

https://backpack.tf/profiles/76561198112817599#!/compare/1565913600/1566000000

Sold with negligible sweets for Vivid Sober

Sober Mini:

https://backpack.tf/suggestion/5d9ff7e2d381721fe46a1d7c

Suggestion for 10 keys

Sale 2:

https://backpack.tf/profiles/76561198112817599#!/compare/1567641600/1568160000

https://backpack.tf/profiles/76561198355094151#!/compare/1568160000/1569456000

Untrace

sale 3:

https://backpack.tf/profiles/76561198363395191#!/compare/1563321600/1563408000

https://backpack.tf/profiles/76561198045790108#!/compare/1563321600/1563408000

Keys

Sale 4:

https://backpack.tf/profiles/76561198045790108#!/compare/1564876800/1564963200

https://backpack.tf/profiles/76561198942593332#!/compare/1564876800/1564963200

Bulk?

Sale 6:

https://backpack.tf/profiles/76561198942593332#!/compare/1564963200/1565049600

https://backpack.tf/profiles/76561198115631482#!/compare/1565049600/1567728000

Sold for 13 keys

Sale 7:

https://backpack.tf/profiles/76561198068078130#!/compare/1564272000/1566259200

https://backpack.tf/profiles/76561198064438458#!/compare/1570320000/1570492800

untrace

Sale 8:

https://backpack.tf/profiles/76561198064438458#!/compare/1570320000/1570492800

https://backpack.tf/profiles/76561198323565601#!/compare/1570406400/1570492800

QS

Sale 9:

https://backpack.tf/profiles/76561198323565601#!/compare/1570492800/1570579200

https://backpack.tf/profiles/76561198089253101#!/compare/1570492800/1570579200

Keys

Sale 10:

https://backpack.tf/profiles/76561198273388796#!/compare/1564444800/1566000000

https://backpack.tf/profiles/76561198866410559#!/compare/1566259200/1568851200

Untrace, maybe SCM?

Sale 11:

https://backpack.tf/profiles/76561198892045560#!/compare/1568073600/1568160000

https://backpack.tf/profiles/76561198434963531#!/compare/1567987200/1568160000

Some kinda bulk

Sale 12:

https://backpack.tf/profiles/76561198434963531#!/compare/1567987200/1568160000

https://backpack.tf/profiles/76561198337734785#!/compare/1568073600/1568160000

Sold for 6 keys (QS)

Sale 13:

https://backpack.tf/profiles/76561198056293125#!/compare/1565308800/1567814400

https://backpack.tf/profiles/76561198333186334#!/compare/1566691200/1567555200

SCM

Sale 14:

https://backpack.tf/profiles/76561198093323770#!/compare/1565136000/1569628800

https://backpack.tf/profiles/76561198337734785#!/compare/1566864000/1566950400

QS

Sale 15:

https://backpack.tf/profiles/76561198337734785#!/compare/1568246400/1568332800

https://backpack.tf/profiles/76561198089292580#!/compare/1568246400/1568332800

Sold for ~10.5 keys

Sale 16:

https://backpack.tf/profiles/76561198973894950#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198342885380#!/compare/1566000000/1566172800

https://backpack.tf/profiles/76561198089253101#!/compare/1565913600/1566000000

Gambling

Sale 17:

https://backpack.tf/profiles/76561198113055161#!/compare/1564099200/1565395200

https://backpack.tf/profiles/76561198828319759#!/compare/1563494400/1565568000

Untrace

Sale 18:

https://backpack.tf/profiles/76561198828319759#!/compare/1565740800/1566000000

https://backpack.tf/profiles/76561198335791307#!/compare/1565913600/1566000000

QS

sale 19:

https://backpack.tf/profiles/76561198165479554#!/compare/1566000000/1569715200

https://backpack.tf/profiles/76561198080179568#!/compare/1569369600/1569456000

QS

sale 20:

https://backpack.tf/profiles/76561198076631304#!/compare/1564358400/1569715200

https://backpack.tf/profiles/76561198166705315#!/compare/1566345600/1566432000

SCM

Sale 21:

https://backpack.tf/profiles/76561198166705315#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198353111086#!/compare/1566864000/1566950400

Sold for Aces Flamenco

Flamenco Mini:

https://backpack.tf/suggestion/5d9ff042d381721ea735abc2

Suggestion for 12 keys

Sale 22:

https://backpack.tf/profiles/76561198423468710#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198121552971#!/compare/1566777600/1566864000

Sold for 11 keys

Sale 23:

https://backpack.tf/profiles/76561198121552971#!/compare/1569888000/1569974400

https://backpack.tf/profiles/76561198855444212#!/compare/1566172800/1569974400

Bulk

Sale 24:

https://backpack.tf/profiles/76561198072484882#!/compare/1570147200/1570492800

https://backpack.tf/profiles/76561198834678807#!/compare/1569974400/1570320000

Bulk

Sale 25:

https://marketplace.tf/items/tf2/318;5;u58

$22.4 / $1.82 = 12.31 keys

https://backpack.tf/item/7956000473

Total sales @:

6, 10, 10.5, 11, 12, 12.31, 13 keys

6 is gone, quicksell.

taking 10-13 as 13 sellers are young'ns.