Item 1

https://backpack.tf/item/13085529357

Sale 1

https://backpack.tf/profiles/76561199527105634#!/compare/1696723200/1697068800

https://backpack.tf/profiles/76561199195851036#!/compare/1693958400/1698019200

Can only match an Ap-Sap

Item 2

https://backpack.tf/item/12796806845

Sale 2

https://backpack.tf/profiles/76561198292568644#!/compare/1694822400/1697068800

https://backpack.tf/profiles/76561199245733895#!/compare/1697241600/1697328000

Probably gambling

Sale 3

https://backpack.tf/profiles/76561199245733895#!/compare/1697328000/1697414400

https://backpack.tf/profiles/76561198125928884#!/compare/1697328000/1697414400

Probably gambling

Sale 4

https://backpack.tf/profiles/76561198125928884#!/compare/1698019200/1698105600

https://backpack.tf/profiles/76561198955490221#!/compare/1697328000/1698105600

No clue

Item 3

https://backpack.tf/item/10358379301

Sale 5

https://backpack.tf/profiles/76561198453530349#!/compare/1697587200/1697673600

https://backpack.tf/profiles/76561199153260862#!/compare/1697500800/1697673600

11 keys match, probably a buy into re-dump

Sale 6

https://backpack.tf/profiles/76561199153260862#!/compare/1697673600/1697760000

https://backpack.tf/profiles/76561198850121720#!/compare/1697673600/1697760000

No clue

Sale 7

https://backpack.tf/profiles/76561198850121720#!/compare/1699056000/1699142400

https://backpack.tf/profiles/76561198351372974#!/compare/1699142400/1699228800

Cs.trade stuff, idk

Sale 8

https://backpack.tf/profiles/76561198351372974#!/compare/1702252800/1702425600

https://backpack.tf/profiles/76561198883768502#!/compare/1702166400/1702339200

Cs.trade stuff

Sale 9

https://backpack.tf/profiles/76561198883768502#!/compare/1702339200/1702425600

https://backpack.tf/profiles/76561198113190503#!/compare/1702252800/1702339200

12 keys

Item 4

https://backpack.tf/item/9146168767

Sale 10

https://backpack.tf/profiles/76561199026390261#!/compare/1696896000/1696982400

https://backpack.tf/profiles/76561198152362198#!/compare/1695859200/1698883200

No clue

Item 5

https://backpack.tf/item/12114062092

Sale 11

https://backpack.tf/profiles/76561198058085957#!/compare/1699142400/1701648000

https://backpack.tf/profiles/76561198867668607#!/compare/1699056000/1699142400

Added ~3 keys for Orbiting Planets Vampire Vanquisher

Seems low + there's no sales for the vamp anyways

Sale 12

https://backpack.tf/profiles/76561198867668607#!/compare/1703894400/1703980800

https://backpack.tf/profiles/76561198799601783#!/compare/1703894400/1703980800

Bulk for a Spellbound Galvanized Gibus

Sale 13

https://backpack.tf/profiles/76561198799601783#!/compare/1703980800/1704067200

https://backpack.tf/profiles/76561198091502579#!/compare/1703980800/1704067200

13 keys

Mp.tf

https://marketplace.tf/items/tf2/31113;5;u151

$30.00 / $1.73 = ~17 keys (Dec 14)

Total Sales

11, 12, 13, 17

https://imgur.com/a/3FXLV2m

Honestly, might just go with a refresh here @ 12 - 17 keys c: