Sale 1:

https://backpack.tf/profiles/76561198177893343#!/compare/1569974400/1570233600

https://backpack.tf/profiles/76561198040073503#!/compare/1570320000/1570406400

QS / Untrace

Sale 2:

https://backpack.tf/profiles/76561198061376237#!/compare/1567814400/1567900800

https://backpack.tf/profiles/76561198076259234#!/compare/1567900800/1567987200

Bulky

Sale 3:

https://backpack.tf/profiles/76561198154211785#!/compare/1565568000/1565913600

https://backpack.tf/profiles/76561198178853653#!/compare/1565913600/1566086400

High???

Sale 4:

https://backpack.tf/profiles/76561198162048608#!/compare/1569110400/1569196800

https://backpack.tf/profiles/76561198340634356#!/compare/1569110400/1569196800

Sold for ~6.5 keys

Sale 5:

https://backpack.tf/profiles/76561198340634356#!/compare/1571184000/1571270400

https://backpack.tf/profiles/76561198199217834#!/compare/1571184000/1571270400

Sold for 9 keys

Sale 6:

https://backpack.tf/profiles/76561198811162245#!/compare/1563580800/1563840000

https://backpack.tf/profiles/76561198113899098#!/compare/1563753600/1563840000

Bulky

Sale 7:

https://backpack.tf/profiles/76561198291011840#!/compare/1560211200/1566000000

https://backpack.tf/profiles/76561198097171432#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198124862814#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198129822245#!/compare/1511827200/1566000000

https://backpack.tf/profiles/76561198097171432#!/compare/1565913600/1566000000

Gambling?

Sale 8:

https://backpack.tf/profiles/76561198097171432#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198340634356#!/compare/1566000000/1566086400

QS

Sale 9:

https://backpack.tf/profiles/76561198340634356#!/compare/1571097600/1571184000

https://backpack.tf/profiles/76561198137567696#!/compare/1571097600/1571184000

Sold for 9 keys (keys came from sale of other 2 taunts

Sale 10:

https://backpack.tf/profiles/76561198100879076#!/compare/1569628800/1569715200

https://backpack.tf/profiles/76561198179178805#!/compare/1569369600/1569628800

Bulky

Sale 11:

https://backpack.tf/profiles/76561198179178805#!/compare/1569628800/1569715200

https://backpack.tf/profiles/76561198208827912#!/compare/1569110400/1569715200

Sold for Aussie Amby(12)

Sale 12:

https://backpack.tf/profiles/76561198208827912#!/compare/1569110400/1569715200

https://backpack.tf/profiles/76561198243207562#!/compare/1569628800/1569715200

Sold with 1 key for Bubbling Fuku

use there

https://bot.tf/stats/listings/4KRP52NX

B/O of ~9.5 keys

Sale 13:

https://backpack.tf/profiles/76561198243207562#!/compare/1569801600/1570320000

https://backpack.tf/profiles/76561198334598690#!/compare/1569715200/1569801600

QS

Sale 14, 15:

https://marketplace.tf/items/tf2/30616;5;u3013

$29.99 / $1.81 = 16.57 keys <--- https://backpack.tf/item/4317466932 | https://bot.tf/stats/listings/4PPVW063 B/O of 13 keys, capping

$15.01 / $1.82 = 8.25 keys

Total sales @:

6.5, 8.25, 9, 9, 12, 13 keys

Buyers up to ~6.5 keys,

sellers down to 12 keys,

calling 6.5 low,

13 high to balance,

taking 8- 12 keys. (rounding 8.25 down as average is at 10 keys.)