Here we go....

Item 1

https://backpack.tf/item/10350631408

Sale 1

https://backpack.tf/profiles/76561198209640976#!/compare/1671667200/1671753600

https://backpack.tf/profiles/76561198152293052#!/compare/1671321600/1673222400

70 keys

Sale 2

https://backpack.tf/profiles/76561198152293052#!/compare/1674777600/1674950400

https://backpack.tf/profiles/76561197982127154#!/compare/1674864000/1674950400

Bulk for a double spelled dbd boa

Sale 3

https://backpack.tf/profiles/76561197982127154#!/compare/1675209600/1675296000

https://backpack.tf/profiles/76561198089478585#!/compare/1675296000/1675382400

Keys match on Wxsp's side

51 keys?

Item 2

https://backpack.tf/item/10327230750

Sale 4

https://mannco.store/item/440-iridescence-unusual-thousand-yard-stare

Covering at the end so I don't confuse myself

Sale 5

https://backpack.tf/profiles/76561198086011812#!/compare/1675036800/1675382400

https://backpack.tf/profiles/76561198311953439#!/compare/1646784000/1677196800

Idk

Item 3

https://backpack.tf/item/10656284602

Sale 6

https://gladiator.tf/time-machine?item=Iridescence%20Thousand-Yard%20Stare&at=2023-01-09T08:43:50.000Z

https://backpack.tf/profiles/76561198083299791#!/compare/1671408000/1673222400

https://backpack.tf/profiles/76561198453530349#!/compare/1671494400/1674259200

Untrace

Item 4

https://backpack.tf/item/10623217999

Sale 7

https://backpack.tf/profiles/76561198086948995#!/compare/1676851200/1676937600

https://backpack.tf/profiles/76561198271933283#!/compare/1676937600/1677110400

57 keys

Item 5

https://backpack.tf/item/10615634840

Sale 8

https://gladiator.tf/time-machine?item=Iridescence%20Thousand-Yard%20Stare&at=2023-01-10T06:57:12.000Z

https://backpack.tf/profiles/76561199215748094#!/compare/1673308800/1674000000

https://backpack.tf/profiles/76561199389372563#!/compare/1674000000/1674172800

Can't find on buyer's side, but 51 keys matches

Sale 9

https://marketplace.tf/items/tf2/31200;5;u188

Covering at the end to not confuse myself

Item 6

https://backpack.tf/item/10578857532

Sale 9

https://mannco.store/item/440-iridescence-unusual-thousand-yard-stare

Covering at the end to not confuse myself

Item 7

https://backpack.tf/item/10571379768

Sale 10

https://backpack.tf/profiles/76561198202273263#!/compare/1673827200/1674086400

https://backpack.tf/profiles/76561198119601623#!/compare/1673654400/1673827200

Stickybomb matches, but this is hard to decipher

Sale 11

https://backpack.tf/profiles/76561198119601623#!/compare/1674000000/1674172800

https://backpack.tf/profiles/76561198066220061#!/compare/1674086400/1674172800

Bulk for a spellbound exe?

Sale 12

https://marketplace.tf/items/tf2/31200;5;u188

Covering at the end so I don't confuse myself

Sale 13

https://gladiator.tf/time-machine?item=Iridescence%20Thousand-Yard%20Stare&at=2023-02-28T08:13:05.000Z

https://gladiator.tf/sales?item=Iridescence%20Thousand-Yard%20Stare&at=2023-03-01T00%3A37%3A00.000Z

https://backpack.tf/profiles/76561199127652476#!/compare/1677456000/1677542400

https://backpack.tf/profiles/76561198129310093#!/compare/1677542400/1677628800

Some of ref of what I assume to be ~58 keys matches

Item 8

https://backpack.tf/item/10522052170

Sale 14

https://backpack.tf/profiles/76561198188093413#!/compare/1670630400/1670803200

https://backpack.tf/profiles/76561198090838017#!/compare/1649980800/1673308800

Keys don't match

Item 9

https://backpack.tf/item/10506362317

Sale 15

https://marketplace.tf/items/tf2/31200;5;u188

Covering at the end so I don't confuse myself

Item 10

https://backpack.tf/item/10453871630

Sale 16

https://gladiator.tf/time-machine?item=Iridescence%20Thousand-Yard%20Stare&at=2023-01-26T20:32:53.000Z

https://gladiator.tf/sales?item=Iridescence%20Thousand-Yard%20Stare&at=2023-01-28T23%3A38%3A00.000Z

https://backpack.tf/profiles/76561198137040602#!/compare/1674604800/1674691200

https://backpack.tf/profiles/76561198069707880#!/compare/1674691200/1674777600

~50 keys

Item 11

https://backpack.tf/item/10412702209

Sale 17

https://marketplace.tf/items/tf2/31200;5;u188

Covering at the end so I don't confuse myself

Item 12

https://backpack.tf/item/12121722977

Sale 18

https://marketplace.tf/items/tf2/31200;5;u188

Covering at the end so I don't confuse myself

Item 13

https://backpack.tf/item/11821029099

Ignoring the tradeback.....

Sale 19

https://backpack.tf/profiles/76561198311498888#!/compare/1676332800/1676419200

https://backpack.tf/profiles/76561198172307770#!/compare/1675036800/1676419200

Not sure

Item 14

https://backpack.tf/item/10966083866

Sale 19

https://marketplace.tf/items/tf2/31200;5;u188

Covering at the end so I don't confuse myself

Item 15

https://backpack.tf/item/10692789236

Sale 20

https://mannco.store/item/440-iridescence-unusual-thousand-yard-stare

Covering at the end so I don't confuse myself

Item 16

https://backpack.tf/item/10684097863

Sale 21

https://gladiator.tf/time-machine?item=Iridescence%20Thousand-Yard%20Stare&at=2023-02-08T10:36:37.000Z

https://backpack.tf/profiles/76561198885476573#!/compare/1675814400/1675987200

https://backpack.tf/profiles/76561198271964253#!/compare/1675900800/1675987200

Idk

All Mp.tf Sales

https://marketplace.tf/partneritem?sku=31200;5;u188&attrib=bp

https://manic.tf/keyprice/?at=2023-02-14&price=129.99

~63 keys

All Mannco.store Sales

https://mannco.store/item/440-iridescence-unusual-thousand-yard-stare

https://manic.tf/keyprice/?site=mannco.store&at=2023-01-07&price=126.94

~67 keys

https://manic.tf/keyprice/?site=mannco.store&at=2023-02-19&price=137.86

~74 keys

Total Sales

50, 51, 51, 57, 58, 63, 67, 70, 74

50 looks too low?

63 and above too high

Taking 51 - 58 keys c: