Sale 1:

https://backpack.tf/profiles/76561198011245947#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198327624724#!/compare/1565913600/1566086400

Keys

sale 2:

https://backpack.tf/profiles/76561198327624724#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198152643499#!/compare/1566172800/1566259200

Sold for KaW Pirate

Sale 3:

https://backpack.tf/profiles/76561198152643499#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198027768897#!/compare/1567641600/1567728000

Sold for KaW Halogen

use there

Sale 4:

https://backpack.tf/profiles/76561198027768897#!/compare/1568160000/1568505600

https://backpack.tf/profiles/76561198327051194#!/compare/1565568000/1570147200

Untrace

sale 5:

https://backpack.tf/profiles/76561198372578708#!/compare/1565913600/1566432000

https://backpack.tf/profiles/76561198072616179#!/compare/1565913600/1566432000

Can trace a shotgun

Sale 6:

https://backpack.tf/profiles/76561198072616179#!/compare/1566432000/1566691200

https://backpack.tf/profiles/76561198363395191#!/compare/1566604800/1566691200

Untrace

Sale 7:

https://backpack.tf/profiles/76561198363395191#!/compare/1568332800/1568419200

https://backpack.tf/profiles/76561198880384227#!/compare/1568073600/1568764800

Bulk

Sale 8:

https://backpack.tf/profiles/76561198089253101#!/compare/1568678400/1568764800

https://backpack.tf/profiles/76561198080179568#!/compare/1568678400/1568764800

QS for ~7.5 keys

Sale 9:

https://backpack.tf/profiles/76561198080179568#!/compare/1568937600/1569024000

https://backpack.tf/profiles/76561198930980395#!/compare/1568764800/1569110400

Sold for 8 keys

Sale 10:

https://backpack.tf/profiles/76561198930980395#!/compare/1569715200/1569801600

https://backpack.tf/profiles/76561198129297403#!/compare/1569715200/1569801600

Untrace

Sale 11:

https://backpack.tf/profiles/76561198129297403#!/compare/1569801600/1569888000

https://backpack.tf/profiles/76561198135534687#!/compare/1569801600/1569888000

Some amount of keys

Sale 12:

https://backpack.tf/profiles/76561198135534687#!/compare/1569888000/1569974400

https://backpack.tf/profiles/76561198004952793#!/compare/1569801600/1569888000

Sold for KaW Robo-Glove

Glove Mini:

https://backpack.tf/suggestion/5dca1e186780726f6641d019

Suggestion for 6.75 keys

Sale 13:

https://backpack.tf/profiles/76561198004952793#!/compare/1569888000/1569974400

https://backpack.tf/profiles/76561198381067967#!/compare/1569888000/1569974400

Sold for OF Softcap(12.5) + ~2 keys in sweets

Total is 14.5 keys

Sale 14:

https://backpack.tf/profiles/76561198381067967#!/compare/1569888000/1569974400

https://backpack.tf/profiles/76561198049619553#!/compare/1569888000/1569974400

Sold for KaW Mop

prob use there, would end up supporting high end here.

Sale 15:

https://backpack.tf/profiles/76561198147302083#!/compare/1565654400/1565827200

https://backpack.tf/profiles/76561198078854236#!/compare/1565740800/1565827200

Bulk

Sale 16:

https://backpack.tf/profiles/76561198078854236#!/compare/1565740800/1565827200

https://backpack.tf/profiles/76561198089791817#!/compare/1565740800/1565827200

Sold for ~11 keys

sale 17, 18:

https://marketplace.tf/items/tf2/517;5;u59

$15 / $1.81 = 8.29 keys <--- https://backpack.tf/item/7955783273

$19.99 / $1.82 = 10.98 keys

Total sales @:

6.75, 7.5, 8, 8.29, 10.98, 11, 14.5 keys

buyers up to ~7.5 keys,

calling 7.5 low,

14.5 high,

taking 8 - 11 keys