Sale 1:

https://backpack.tf/profiles/76561198337734785#!/compare/1567382400/1567468800

https://backpack.tf/profiles/76561198353550482#!/compare/1567382400/1567468800

Keys

sale 2:

https://backpack.tf/profiles/76561198079468968#!/compare/1569715200/1570060800

https://backpack.tf/profiles/76561198841279602#!/compare/1569974400/1570060800

Sold with ~0.5 keys for 10 keys (QS)

Total is ~9.5 keys

sale 3:

https://backpack.tf/profiles/76561198841279602#!/compare/1571356800/1571443200

https://backpack.tf/profiles/76561198329732866#!/compare/1571356800/1571443200

Sold for 12 keys

sale 4:

https://backpack.tf/profiles/76561198329732866#!/compare/1571529600/1571616000

https://backpack.tf/profiles/76561198002757046#!/compare/1571529600/1571616000

Sold for ~9.5 keys (QS)

sale 5:

https://backpack.tf/profiles/76561198050018221#!/compare/1570924800/1571184000

https://backpack.tf/profiles/76561198308772967#!/compare/1571097600/1571184000

QS for ~7.5 keys

Sale 6:

https://backpack.tf/profiles/76561198048332541#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198204215081#!/compare/1567641600/1567728000

Sold with 7 keys for DP Nunhood

high by buyers on Nunhood

Sale 7:

https://backpack.tf/profiles/76561198204215081#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198387985735#!/compare/1567728000/1567814400

sold with 1 key for OF Ballcap

use there

sale 8:

https://backpack.tf/profiles/76561198387985735#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198263464269#!/compare/1567728000/1567814400

https://backpack.tf/profiles/76561198263464269#!/compare/1567814400/1567987200

https://backpack.tf/profiles/76561198387985735#!/compare/1567814400/1567900800

tradeback

sale 9:

https://backpack.tf/profiles/76561198337734785#!/compare/1571097600/1571184000

https://backpack.tf/profiles/76561198082589427#!/compare/1570924800/1571184000

Keys

Sale 10:

https://backpack.tf/profiles/76561198082589427#!/compare/1571184000/1571270400

https://backpack.tf/profiles/76561198021055079#!/compare/1571184000/1571270400

QS

sale 11:

https://marketplace.tf/items/tf2/174;5;u29

$23 / $1.82 = 12.64 keys

Total sales @:

7.5, 9.5, 9.5, 12, 12.64 keys

buyerrs up to 9 keys, one buyer for ~9.5 keys,

https://bot.tf/stats/listings/4KR2WJ8E

seller for ~12 keys unsold for a week,

calling 7.5 low,

12.64 high,

taking 10 - 12 keys