Sale 1:

https://backpack.tf/profiles/76561198006544512#!/compare/1583712000/1583798400

https://backpack.tf/profiles/76561199006628920#!/compare/1583712000/1583798400

Sold for ~8.5 keys

sale 2:

https://backpack.tf/profiles/76561199006628920#!/compare/1585094400/1585180800

https://backpack.tf/profiles/76561198000485231#!/compare/1585094400/1585180800

Sold for C9 Airdog

Airdog Mini:

https://backpack.tf/suggestion/5ebef87253466a1b8b310dab

Suggestion for 10.5 keys

https://bot.tf/stats/listings/4P00V7O0

B/O of 9 keys, capping

sale 3:

https://backpack.tf/profiles/76561198000485231#!/compare/1585094400/1585180800

https://backpack.tf/profiles/76561198187448465#!/compare/1585094400/1585180800

Sold for Aces Skid Lid + 1 key

use there

sale 4:

https://backpack.tf/profiles/76561198187448465#!/compare/1585180800/1585267200

https://backpack.tf/profiles/76561198046591593#!/compare/1585180800/1585267200

Untrace

sale 5:

https://backpack.tf/profiles/76561198046591593#!/compare/1585785600/1585872000

https://backpack.tf/profiles/76561198281046061#!/compare/1585872000/1585958400

Sold for 9 keys

sale 6:

https://backpack.tf/profiles/76561198281046061#!/compare/1585872000/1585958400

https://backpack.tf/profiles/76561198847267051#!/compare/1585785600/1585958400

Bulk

sale 7:

https://backpack.tf/profiles/76561198847267051#!/compare/1585785600/1585958400

https://backpack.tf/profiles/76561198135665117#!/compare/1585872000/1585958400

https://backpack.tf/profiles/76561198363395191#!/compare/1585872000/1585958400

Untrace

sale 8:

https://backpack.tf/profiles/76561198363395191#!/compare/1585958400/1586044800

https://backpack.tf/profiles/76561198145685186#!/compare/1585267200/1586217600

untrace

sale 9:

https://backpack.tf/profiles/76561198455907259#!/compare/1585267200/1585267200

https://backpack.tf/profiles/76561198326081075#!/compare/1588723200/1588723200

untrace

sale 10:

https://marketplace.tf/items/tf2/980;5;u56

$15.56 / $1.69 = 9.21 keys

$17.99 / $1.88 = 9.57 keys

Total sales @:

8.5, 9, 9, 9, 9.5 keys

buyers up to ~7.5 keys,

taking 8.5 - 9.5 keys