Item 1

https://backpack.tf/item/7869951940

Sale 1

https://backpack.tf/profiles/76561198867208675#!/compare/1709164800/1709251200

https://backpack.tf/profiles/76561198805428379#!/compare/1709164800/1709251200

55 keys

Item 2

https://backpack.tf/item/6668877707

Sale 2

https://backpack.tf/profiles/76561198091284838#!/compare/1710288000/1710374400

https://backpack.tf/profiles/76561198057412106#!/compare/1710288000/1710374400

Bulk inv buy

Item 3

https://backpack.tf/item/6652900731

Sale 3

https://backpack.tf/profiles/76561198353520938#!/compare/1703721600/1704758400

https://backpack.tf/profiles/76561199084784906#!/compare/1704067200/1704153600

No clue

Sale 4

https://backpack.tf/profiles/76561199084784906#!/compare/1711152000/1711238400

https://backpack.tf/profiles/76561198244962432#!/compare/1711152000/1711238400

Looks like 56 keys?

Sale 5

https://backpack.tf/profiles/76561198244962432#!/compare/1711152000/1711238400

https://backpack.tf/profiles/76561199513453937#!/compare/1711152000/1711238400

No clue

Item 4

https://backpack.tf/item/3270656285

Duped, nothing here

Item 5

https://backpack.tf/item/3184888740

Sale 6

https://backpack.tf/profiles/76561198244962432#!/compare/1706572800/1706659200

https://backpack.tf/profiles/76561198091840184#!/compare/1706572800/1706659200

72 keys

Item 6

https://backpack.tf/item/3117089019

Sale 7

https://backpack.tf/profiles/76561198077644574#!/compare/1707955200/1708128000

https://backpack.tf/profiles/76561198867208675#!/compare/1708041600/1708128000

Looks like a bulk buy

Item 7 & 8

https://backpack.tf/item/2771969393

https://backpack.tf/item/2149409451

Mannco.store

Item 9

https://backpack.tf/item/2111040557

Duped, nothing here

SCM Sales

https://steamcommunity.com/market/listings/440/Collector's%20Professional%20Killstreak%20Flying%20Guillotine

https://steamcommunity.com/market/pricehistory/?appid=440&market_hash_name=Collector%27s%20Professional%20Killstreak%20Flying%20Guillotine

$304.33 / $2.13 = ~143 keys (Feb 9)

Total Sales

55, 56, 72, 143

https://imgur.com/a/ietjj6G

3 months unsold @ 58

Gonna call 72 / 143 high

Running with 55 - 56 keys c:

Unsolds:

https://backpack.tf/item/6668877707 - 55

https://backpack.tf/item/2111040557 - 58

https://backpack.tf/item/2855166695 - 59

https://backpack.tf/item/2999279631 - 80

https://backpack.tf/item/2603982969 - 150