Item 1:

https://backpack.tf/item/2993458347

Sale 1:

Sold for 34 Keys (Unusual ID: "15624631239")

https://backpack.tf/profiles/76561199059800460#!/compare/1744156800/1744243200

https://backpack.tf/profiles/76561198799513708#!/compare/1744156800/1744243200

Sale 2:

Untraceable

https://backpack.tf/profiles/76561198799513708#!/compare/1744761600/1744848000

https://backpack.tf/profiles/76561199111073161#!/compare/1744848000/1744934400

Sale 3:

Sold for Festivized Specialized Killstreak Australium Minigun + Dead Head + Killstreak Reserve Shooter Kit

https://backpack.tf/profiles/76561199111073161#!/compare/1745366400/1745452800

https://backpack.tf/profiles/76561198008448809#!/compare/1745452800/1745539200

//

Item 2:

https://backpack.tf/item/9096728013

Sale 4:

15 keys traceable

https://backpack.tf/profiles/76561198311498888#!/compare/1740096000/1740182400

https://backpack.tf/profiles/76561198285573197#!/compare/1739923200/1740355200

Sale 5:

Bulk

https://backpack.tf/profiles/76561198285573197#!/compare/1740355200/1741564800

https://backpack.tf/profiles/76561199110809353#!/compare/1741392000/1741478400

Sale 6:

Sold for Searing Plasma Airdog + Green Confetti Puffy Polar Cap + Miami Nights Cloud Crasher + Fragmenting Reality Spiky Viking + Strange Killstreak Rescue Ranger + Strasbourg Scholar + Fiercesome Fluorescence + Nightbane Brim + The Attendant + Throttlehead + Final Frontiersman

https://backpack.tf/profiles/76561199110809353#!/compare/1744156800/1744243200

https://backpack.tf/profiles/76561198129393938#!/compare/1736812800/1745107200

//

Marketplace.TF Sales:

https://marketplace.tf/items/tf2/1118;5;u3045

https://marketplace.tf/items/tf2/5021;6

Sale 7:

https://backpack.tf/item/7530247872

$79.99/$1.84 = ~43 Keys (Mar 6)

Sale 8:

https://backpack.tf/item/3600900368

$79.99/$1.93 = ~41 Keys (May 5)

Sale 9:

https://backpack.tf/item/2712201855

$79.99/$1.93 = ~41 Keys (May 5)

//

Total Sales

15, 34, 41, 41, 43

https://imgur.com/If6LyaA

Taking 34 — 43 Keys