Sale 1:

https://backpack.tf/profiles/76561198021055079#!/compare/1568505600/1568592000

https://backpack.tf/profiles/76561198368325583#!/compare/1568505600/1568592000

Sold for 12 keys

sale 2:

https://backpack.tf/profiles/76561198337734785#!/compare/1567296000/1567382400

https://backpack.tf/profiles/76561198095257838#!/compare/1567296000/1567382400

keys

sale 3:

https://backpack.tf/profiles/76561198195888437#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198106764336#!/compare/1566000000/1566086400

untrace

sale 4:

https://backpack.tf/profiles/76561198106764336#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198394877897#!/compare/1566000000/1566086400

Sold for ~8.5 keys (QS)

Sale 5:

https://backpack.tf/profiles/76561198394877897#!/compare/1566172800/1566259200

https://backpack.tf/profiles/76561198038027757#!/compare/1566172800/1566259200

Sold for Blizzardy Hoodie(12.5)

https://bot.tf/stats/listings/4EEZL1L2

B/O of 12 keys, capping

Sale 6:

https://backpack.tf/profiles/76561198327109707#!/compare/1566259200/1566864000

https://backpack.tf/profiles/76561198394877897#!/compare/1566777600/1566864000

Sold for ~8.5 keys (QS)

Sale 7:

https://backpack.tf/profiles/76561198394877897#!/compare/1567900800/1567987200

https://backpack.tf/profiles/76561198059564845#!/compare/1553385600/1567987200

Sold for Smoking Gym Rat + 5 keys

use there

https://bot.tf/stats/listings/Y7DL9N18

B/O of 12 keys

Sale 8, 9:

https://marketplace.tf/items/tf2/102;5;u30

$24.99 / $1.83 = 13.66 keys

$24.44 / $1.82 = 13.43 keys <--- https://backpack.tf/item/1339109898

Total sales @:

12, 12, 13.43, 13.66 keys

buyers up to 7 keys,

seller for 15 keys

taking 12 - 14 keys