Item 1

https://backpack.tf/item/13152627082

I'll cover mp at the end

Item 2

https://backpack.tf/item/12245855568

Sale 1

https://backpack.tf/profiles/76561197980558108#!/compare/1700092800/1701993600

https://backpack.tf/profiles/76561199240976002#!/compare/1701043200/1701129600

No clue

Item 3

https://backpack.tf/item/12235568085

Sale 2

https://backpack.tf/profiles/76561198277115869#!/compare/1700092800/1700352000

https://backpack.tf/profiles/76561198261483133#!/compare/1700179200/1700265600

Can't really say for sure here, looks like a bulk buy

Sale 3

https://backpack.tf/profiles/76561198261483133#!/compare/1702425600/1702512000

https://backpack.tf/profiles/76561198089862063#!/compare/1702425600/1702598400

28 keys (13910810395)

Item 4

https://backpack.tf/item/12231348067

Sale 4

https://backpack.tf/profiles/76561198054270952#!/compare/1706572800/1706659200

https://backpack.tf/profiles/76561198103405324#!/compare/1706572800/1706659200

27 keys, keys come from the awper hand being dumped

Item 5

https://backpack.tf/item/12198819897

Sale 5

https://backpack.tf/profiles/76561198020399100#!/compare/1704585600/1704672000

https://backpack.tf/profiles/76561198136757467#!/compare/1704585600/1704672000

25 keys

Item 6

https://backpack.tf/item/12192523978

Sale 6

https://backpack.tf/profiles/76561198173947149#!/compare/1704672000/1704844800

https://backpack.tf/profiles/76561199467915660#!/compare/1704844800/1704931200

Untrace

Sale 7

https://backpack.tf/profiles/76561199467915660#!/compare/1704844800/1704931200

https://backpack.tf/profiles/76561198177838739#!/compare/1704672000/1704844800

Probs 21, but I can't confirm it

Item 7

https://backpack.tf/item/12192103577

I'll cover mp at the end

Item 8

https://backpack.tf/item/12185682321

Sale 8

https://backpack.tf/profiles/76561198088636158#!/compare/1706227200/1706313600

https://backpack.tf/profiles/76561198310750043#!/compare/1706227200/1706313600

Bulk for a Double Spelled Roboactive Soviet Gentleman

Sale 9

https://backpack.tf/profiles/76561198310750043#!/compare/1706486400/1706572800

https://backpack.tf/profiles/76561199245733895#!/compare/1706486400/1706572800

Gambling?

Sale 10

https://backpack.tf/profiles/76561199245733895#!/compare/1706572800/1706659200

https://backpack.tf/profiles/76561197981313135#!/compare/1706486400/1706659200

Gambling?

Sale 11

https://backpack.tf/profiles/76561197981313135#!/compare/1706745600/1706832000

https://backpack.tf/profiles/76561198177496907#!/compare/1705190400/1706745600

No clue

Sale 12

https://backpack.tf/profiles/76561198177496907#!/compare/1706745600/1707350400

https://backpack.tf/profiles/76561199017959799#!/compare/1707264000/1707350400

No clue

Item 9

https://backpack.tf/item/12226641579

Sale 13

https://backpack.tf/profiles/76561198346965836#!/compare/1700092800/1700611200

https://backpack.tf/profiles/76561198140559064#!/compare/1701993600/1702080000

No clue

Sale 14

https://backpack.tf/profiles/76561198140559064#!/compare/1704326400/1704499200

https://backpack.tf/profiles/76561198161130473#!/compare/1704412800/1704499200

21 keys

Sale 15

https://backpack.tf/profiles/76561198161130473#!/compare/1705104000/1705276800

https://backpack.tf/profiles/76561199245733895#!/compare/1705104000/1705190400

No clue

Sale 16

https://backpack.tf/profiles/76561199245733895#!/compare/1705190400/1705276800

https://backpack.tf/profiles/76561199095539879#!/compare/1705190400/1705276800

No clue

Sale 17

https://backpack.tf/profiles/76561199095539879#!/compare/1705190400/1705276800

https://backpack.tf/profiles/76561198026129220#!/compare/1705190400/1705276800

No clue

Then moved to mp.tf

Mp.tf

https://marketplace.tf/items/tf2/31313;5;u266

$68.99 / $1.76 = ~39 keys (Dec 1)

Total Sales

21(?), 21, 25, 27, 28, 39

https://imgur.com/a/f8NKobx

Mp sale is too high

Seller @ 27 is relatively new, only a single buyer @21

Taking 21 - 28 keys looks fine here c:

Unsolds:

https://backpack.tf/item/12179567637 - 27

https://backpack.tf/item/12192523978 - 28

https://backpack.tf/item/12226641579 - $69.95

https://backpack.tf/item/13152627082 - $69.95