No Killstreak

https://steamcommunity.com/market/listings/440/Killer%20Bee%20Scattergun%20%28Minimal%20Wear%29

https://steamcommunity.com/market/pricehistory/?appid=440&market_hash_name=Killer%20Bee%20Scattergun%20(Minimal%20Wear)

$49.99 / $2.27 = ~22 keys (Oct 29)

$47.74 / $2.26 = ~21 keys (Nov 3)

$45.01 / $2.25 = ~20 keys (Nov 23)

Basic Killstreak

https://steamcommunity.com/market/listings/440/Killstreak%20Killer%20Bee%20Scattergun%20(Minimal%20Wear)

https://steamcommunity.com/market/pricehistory/?appid=440&market_hash_name=Killstreak%20Killer%20Bee%20Scattergun%20(Minimal%20Wear)

No recent sales

Specialized Killstreak

https://steamcommunity.com/market/listings/440/Specialized%20Killstreak%20Killer%20Bee%20Scattergun%20(Minimal%20Wear)

https://steamcommunity.com/market/pricehistory/?appid=440&market_hash_name=Specialized%20Killstreak%20Killer%20Bee%20Scattergun%20(Minimal%20Wear)

$50.71 / $2.28 = ~22 keys (Nov 12)

$51.00 / $2.24 = ~23 keys (Nov 29)

Professional Killstreak

https://steamcommunity.com/market/listings/440/Professional%20Killstreak%20Killer%20Bee%20Scattergun%20(Minimal%20Wear)

https://steamcommunity.com/market/pricehistory/?appid=440&market_hash_name=Professional%20Killstreak%20Killer%20Bee%20Scattergun%20(Minimal%20Wear)

Nothing recent

Mp.tf

https://marketplace.tf/items/tf2/15151;15;w2;pk85

$38.99 / $1.67 = ~23 keys (Dec 22)

$39.99 / $1.69 = ~24 keys (Jan 16)

https://marketplace.tf/items/tf2/15151;15;w2;pk85;kt-2

$45.00 / $1.73 = ~26 keys (Nov 16)

Item 1

https://backpack.tf/item/4845659000

Sale 1

https://backpack.tf/profiles/76561198171048015#!/compare/1703203200/1703289600

https://backpack.tf/profiles/76561198328282971#!/compare/1703030400/1703289600

Inv buy?

Then sold on mannco.store

Item 2

https://backpack.tf/item/4844194463

Sale 2

https://backpack.tf/profiles/76561198024867201#!/compare/1704240000/1704326400

https://backpack.tf/profiles/76561198042534692#!/compare/1704240000/1704326400

No clue

Item 3

https://backpack.tf/item/13591820995

Sale 3

https://backpack.tf/profiles/76561198296628938#!/compare/1702598400/1702771200

https://backpack.tf/profiles/76561198021805155#!/compare/1702771200/1702944000

Maybe 30? Keys don't match

Total Sales

20, 21, 22, 22, 23, 23, 24, 26, 30(?)

https://imgur.com/a/UcncBW8

30 seems high + I can't confirm it

Might just exclude the higher KS sales given the unsold @20 and run with 20 - 22 keys (Not too sure on a range here since I don't wanna take 20 keys flat)

Unsolds:

https://backpack.tf/item/4477351550 - 20

https://backpack.tf/item/4870413670 - 85