Item 1

https://backpack.tf/item/13092205644

Sale 1

https://backpack.tf/profiles/76561198285658923#!/compare/1696464000/1696550400

https://backpack.tf/profiles/76561199443869236#!/compare/1696291200/1696636800

Looks like ~16 keys

Sale 2

https://backpack.tf/profiles/76561199443869236#!/compare/1696636800/1696982400

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

No clue

Ignoring the buy into re-dump...

Sale 3

https://backpack.tf/profiles/76561199465835742#!/compare/1699228800/1699315200

https://backpack.tf/profiles/76561199465835742#!/compare/1699228800/1699315200

No clue

Item 2

https://backpack.tf/item/12146401543

Sale 4

https://backpack.tf/profiles/76561199082971157#!/compare/1697932800/1698019200

https://backpack.tf/profiles/76561198151377714#!/compare/1697932800/1698019200

17 keys

Sale 5

https://backpack.tf/profiles/76561198151377714#!/compare/1698192000/1698278400

https://backpack.tf/profiles/76561199532989344#!/compare/1698019200/1698278400

Looks like a (more or less) a 1 for 1 with a Mountain Halo Second-Head Headwear

Mini for the Mountain Halo Second-Head Headwear 28 keys

28 keys, this probably caps but I have no way of knowing

Sale 6

https://backpack.tf/profiles/76561199532989344#!/compare/1698278400/1698451200

https://backpack.tf/profiles/76561198424878809#!/compare/1698278400/1698451200

Looks like 20 keys

Sale 7

https://backpack.tf/profiles/76561198424878809#!/compare/1699056000/1699142400

https://backpack.tf/profiles/76561199166557445#!/compare/1699056000/1699142400

No clue

Sale 8

https://backpack.tf/profiles/76561199166557445#!/compare/1697846400/1699056000

https://backpack.tf/profiles/76561198867668607#!/compare/1698969600/1699056000

Bulk for a Vivid Plasma Bottle Cap

Sale 9

https://backpack.tf/profiles/76561198867668607#!/compare/1699228800/1699401600

https://backpack.tf/profiles/76561198311498888#!/compare/1699401600/1699488000

No clue

Sale 10

https://backpack.tf/profiles/76561198311498888#!/compare/1699315200/1699401600

https://backpack.tf/profiles/76561199239512156#!/compare/1699401600/1699488000

No clue, untrace

Sale 11

https://backpack.tf/profiles/76561199239512156#!/compare/1699401600/1699488000

https://backpack.tf/profiles/76561198867668607#!/compare/1699401600/1699488000

Bulk for a [b]Cool Festivized Professional Killstreak Snow Globalization Scattergun (Field-Tested)

Sale 12

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

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

Bulk for a Spellbound Galvanized Gibus

Sale 13

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

https://backpack.tf/profiles/76561199564942025#!/compare/1703894400/1703980800

https://imgur.com/a/1NBtE6Y

Looks like ~18 keys

Item 3

https://backpack.tf/item/9749099282

Sale 14

https://backpack.tf/profiles/76561199019420779#!/compare/1698796800/1699401600

https://backpack.tf/profiles/76561198188093413#!/compare/1699142400/1699228800

No clue

Item 4

https://backpack.tf/item/9342318949

Nothing here

Item 5

https://backpack.tf/item/9294365623

Sale 15

https://backpack.tf/profiles/76561198849236583#!/compare/1700265600/1700352000

https://backpack.tf/profiles/76561199128560410#!/compare/1700265600/1700352000

No clue

Mp.tf

https://marketplace.tf/items/tf2/31130;5;u161

$42.99 / $1.71 = ~25 keys (Dec 18)

Total Sales

16, 17, 18, 20, 25, 28

25 is high, 28 - > 20

16 is a buyer dump

https://imgur.com/a/0mqmpdP

Might be fine to run with 17 - 20 keys?

Unsolds:

https://backpack.tf/item/9749099282 - 20

https://backpack.tf/item/12146401543 - 19