Sale 1:

https://backpack.tf/profiles/76561198288290819#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198323565601#!/compare/1565827200/1565913600

QS

Sale 2:

https://backpack.tf/profiles/76561198148457707#!/compare/1564012800/1564272000

https://backpack.tf/profiles/76561198061440669#!/compare/1563926400/1564012800

Sold for KaW Mitre + negligible sweets

use there

Sale 3:

https://backpack.tf/profiles/76561198281355594#!/compare/1566086400/1566432000

https://backpack.tf/profiles/76561198043948052#!/compare/1566086400/1566345600

Untrace

Sale 4:

https://backpack.tf/profiles/76561198067128609#!/compare/1567123200/1567209600

https://backpack.tf/profiles/76561198146549838#!/compare/1566777600/1567209600

Bulk

Sale 5:

https://backpack.tf/profiles/76561198146549838#!/compare/1566777600/1567209600

https://backpack.tf/profiles/76561198031126990#!/compare/1567123200/1567209600

Bulky

Sale 6:

https://backpack.tf/profiles/76561198402506689#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198080179568#!/compare/1567468800/1567555200

Bulk

Sale 7:

https://backpack.tf/profiles/76561198080179568#!/compare/1569628800/1569715200

https://backpack.tf/profiles/76561198040106025#!/compare/1569369600/1569974400

Untrace

Sale 8:

https://backpack.tf/profiles/76561198133868529#!/compare/1566604800/1566864000

https://backpack.tf/profiles/76561198046393528#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198063803737#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198973894950#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198101300189#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198044971939#!/compare/1566777600/1566864000

https://backpack.tf/profiles/76561198062413553#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198395153605#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198072484882#!/compare/1566000000/1566950400

https://backpack.tf/profiles/76561198012537041#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198145072434#!/compare/1566950400/1567036800

https://backpack.tf/profiles/76561198129822245#!/compare/1567209600/1567382400

https://backpack.tf/profiles/76561198139257833#!/compare/1567296000/1567468800

https://backpack.tf/profiles/76561198139257833#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198084813853#!/compare/1566432000/1567555200

https://backpack.tf/profiles/76561198003926663#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198084813853#!/compare/1566432000/1567555200

https://backpack.tf/profiles/76561198003926663#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198320615503#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198168425477#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198808070411#!/compare/1566691200/1567555200

https://backpack.tf/profiles/76561198302652116#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198131512154#!/compare/1567468800/1567555200

https://backpack.tf/profiles/76561198973894950#!/compare/1567555200/1567641600

https://backpack.tf/profiles/76561198139257833#!/compare/1567555200/1567641600

https://backpack.tf/profiles/76561198139257833#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198131512154#!/compare/1567555200/1567641600

https://backpack.tf/profiles/76561197960876323#!/compare/1568160000/1569715200

https://backpack.tf/profiles/76561198880384227#!/compare/1568851200/1569801600

Gambling / Bulk / Untrace

Sale 9:

https://backpack.tf/profiles/76561198287034546#!/compare/1569888000/1570060800

https://backpack.tf/profiles/76561198097171432#!/compare/1569801600/1569888000

Bulk

Sale 10:

https://backpack.tf/profiles/76561198097171432#!/compare/1569888000/1569974400

https://backpack.tf/profiles/76561198014208764#!/compare/1569888000/1569974400

untrace

sale 11:

https://backpack.tf/profiles/76561198014208764#!/compare/1570233600/1570320000

https://backpack.tf/profiles/76561198342161127#!/compare/1570320000/1570406400

Sold for Stormy Trilby(12)

Sale 12:

https://marketplace.tf/items/tf2/184;5;u56

$29.99 / $1.80 = 16.66 keys

$16 / $1.83 = 8.74 keys

$20 / $1.82 = 10.99 keys <--- https://backpack.tf/item/7956073940 or 18 sale, can't tell accurately.

$18 / $1.82 = 9.89 keys

Total sales @:

8.74, 9.89, 10.99, 12, 16.66 keys

buyers up to 8 keys,

sellers down to 13 keys,

https://i.imgur.com/aptbkgB.jpg

calling 16.66 high,

calling 8.74 low (rounds to 8.5),

taking 10 - 12 keys