Sale 1:

https://backpack.tf/profiles/76561198271114604#!/compare/1570924800/1571702400

https://backpack.tf/profiles/76561198799613501#!/compare/1570924800/1571270400

Sold for 17 keys

sale 2:

https://backpack.tf/profiles/76561198154624508#!/compare/1566604800/1566864000

https://backpack.tf/profiles/76561198817510262#!/compare/1566777600/1566864000

Sold for ~9 keys (QS)

sale 3:

https://backpack.tf/profiles/76561198817510262#!/compare/1566864000/1566950400

https://backpack.tf/profiles/76561198304302520#!/compare/1566864000/1566950400

QS

Sale 4:

https://backpack.tf/profiles/76561198816703198#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198400251476#!/compare/1566000000/1566086400

untrace

sale 5:

https://backpack.tf/profiles/76561198400251476#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198131479738#!/compare/1567641600/1567728000

Sold for Aces Company + ~1 key in sweets

Company Mini:

https://backpack.tf/suggestion/5db94b28d381720d480b977e

suggestion for 14 keys

total is 15 keys

https://bot.tf/stats/listings/M17X1JW0

B/O of 13 keys, capping

Sale 6:

https://backpack.tf/profiles/76561198131479738#!/compare/1568073600/1568160000

https://backpack.tf/profiles/76561198061786462#!/compare/1568073600/1568160000

Sold for craft hats?

sale 7:

https://backpack.tf/profiles/76561198061786462#!/compare/1568419200/1568592000

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

Sold for 9 keys (QS)

sale 8:

https://backpack.tf/profiles/76561198340434037#!/compare/1565308800/1565395200

https://backpack.tf/profiles/76561198275862898#!/compare/1565308800/1565395200

Keys, at least 7

Sale 9:

https://backpack.tf/profiles/76561198275862898#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198032717076#!/compare/1566000000/1566086400

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

https://backpack.tf/profiles/76561198088289860#!/compare/1565136000/1566086400

https://backpack.tf/profiles/76561198886886042#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198089253101#!/compare/1566086400/1566172800

Gambling?

Sale 10:

https://marketplace.tf/items/tf2/382;5;u61

$30.15 / $1.82 = 16.57 keys

https://backpack.tf/item/7275258653

Total sales @:

13, 16.57, 17 keys

taking 13 - 17 keys