Item 1

https://backpack.tf/item/12347686697

Sale 1

https://backpack.tf/profiles/76561198276385778#!/compare/1680998400/1681257600

https://backpack.tf/profiles/76561199183171982#!/compare/1681171200/1681257600

Untrace on buyer side

Sale 2

https://backpack.tf/profiles/76561199183171982#!/compare/1682812800/1682899200

https://backpack.tf/profiles/76561199111292616#!/compare/1682726400/1682812800

Untrace on seller side

Sale 3

https://backpack.tf/profiles/76561199111292616#!/compare/1684540800/1684627200

https://backpack.tf/profiles/76561198354459626#!/compare/1684540800/1684627200

Untrace on buyer side, but I can match 7 keys

Sale 4

https://backpack.tf/profiles/76561198354459626#!/compare/1684540800/1684627200

https://backpack.tf/profiles/76561199245733895#!/compare/1684540800/1684627200

Untrace on seller side

Sale 5

https://backpack.tf/profiles/76561199245733895#!/compare/1684627200/1684713600

https://backpack.tf/profiles/76561199059698603#!/compare/1684627200/1684713600

No clue

Item 2

https://backpack.tf/item/11745549353

Sale 6

https://backpack.tf/profiles/76561198037674114#!/compare/1680739200/1681257600

https://backpack.tf/profiles/76561199059698603#!/compare/1680825600/1680912000

Can't trace keys

Sale 7

https://backpack.tf/profiles/76561199059698603#!/compare/1685232000/1685318400

https://backpack.tf/profiles/76561198311498888#!/compare/1685232000/1685318400

No clue

Sale 8

https://backpack.tf/profiles/76561198311498888#!/compare/1685577600/1685664000

https://backpack.tf/profiles/76561198070386336#!/compare/1685664000/1685750400

Can't say for sure here

Sale 9

https://backpack.tf/profiles/76561198070386336#!/compare/1685750400/1685836800

https://backpack.tf/profiles/76561198983856237#!/compare/1685923200/1686009600

No clue

Item 3

https://backpack.tf/item/11675736027

Sale 10

https://backpack.tf/profiles/76561198037674114#!/compare/1680739200/1681257600

https://backpack.tf/profiles/76561199059698603#!/compare/1680825600/1680912000

No clue

Sale 11

https://backpack.tf/profiles/76561199059698603#!/compare/1687737600/1687824000

https://backpack.tf/profiles/76561198280524116#!/compare/1687737600/1687824000

7 keys?

Item 4

https://backpack.tf/item/10566365846

Transfer back to bot owner

Item 5

https://backpack.tf/item/10302174701

Sale 12

https://backpack.tf/profiles/76561198864357151#!/compare/1663718400/1684368000

https://backpack.tf/profiles/76561199161916038#!/compare/1684368000/1684454400

Can't load seller inv

Sale 13

https://backpack.tf/profiles/76561199161916038#!/compare/1686009600/1686096000

https://backpack.tf/profiles/76561199201937808#!/compare/1686009600/1686096000

No clue

Item 6

https://backpack.tf/item/9178368674

Sale 14

https://backpack.tf/profiles/76561199478654397#!/compare/1681171200/1681344000

https://backpack.tf/profiles/76561199203680409#!/compare/1681084800/1681171200

Can't match keys

Sale 15

https://backpack.tf/profiles/76561199203680409#!/compare/1684540800/1684627200

https://backpack.tf/profiles/76561198280524116#!/compare/1684540800/1684627200

Looks like ~7.5 keys

Sale 16

https://backpack.tf/profiles/76561198280524116#!/compare/1684627200/1684713600

https://backpack.tf/profiles/76561198336900420#!/compare/1684800000/1685059200

Maybe a mp.tf sale?

Item 7

https://backpack.tf/item/7759445408

Sale 17

https://backpack.tf/profiles/76561198037674114#!/compare/1680739200/1681257600

https://backpack.tf/profiles/76561199059698603#!/compare/1680825600/1680912000

No clue

Sale 18

Transfer between quicksell.store bots

Item 8

https://backpack.tf/item/7480897085

Sale 19

https://backpack.tf/profiles/76561198049469629#!/compare/1684368000/1684454400

https://backpack.tf/profiles/76561199245733895#!/compare/1684281600/1684368000

Untrace on seller side?

Sale 20

https://backpack.tf/profiles/76561199245733895#!/compare/1684368000/1684454400

https://backpack.tf/profiles/76561199161916038#!/compare/1684368000/1684454400

No clue

Sale 21

https://backpack.tf/profiles/76561199161916038#!/compare/1686009600/1686096000

https://backpack.tf/profiles/76561199201937808#!/compare/1686009600/1686096000

No clue

Mp.tf

https://marketplace.tf/items/tf2/30827;5;u59

$16.88 / $2.06 = ~8 keys (Mar 29)

$16.88 / $2.05 = ~8 keys (Mar 30)

$16.44 / $2.05 = ~8 keys (Apr 1)

2 @ $16.44 / $2.05 = ~8 keys (Apr 3)

$17.11 / $2.05 = ~8.5 keys (Apr 3)

$16.44 / $2.02 = ~8 keys (May 20)

$16.44 / $2.00 = ~8 keys (May 26)

$16.44 / $2.01 = ~8 keys (Jun 26)

Total Sales

2x 7, 7.5, 8x 8, 8.5

https://imgur.com/a/3lChm5a

7 / 8 seem like common selling points

Taking 7 - 8 keys c: