What a pain.

SALE 1

Unknown, likely scm

https://backpack.tf/profiles/76561198825469280#!/compare/1565827200/1566604800

https://backpack.tf/profiles/76561198099132915#!/compare/1565913600/1566000000

SALE 2

Unknown

https://backpack.tf/profiles/76561198335791307#!/compare/1561680000/1561766400

https://backpack.tf/profiles/76561198029074524#!/compare/1561680000/1561766400

SALE 3

Bulk for death at dusk deep cover operator

https://backpack.tf/profiles/76561198377919903#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198076113077#!/compare/1566518400/1566604800

SALE 4

Bulk for vivid plasma defiant spartan

https://backpack.tf/profiles/76561198076113077#!/compare/1567382400/1567555200

https://backpack.tf/profiles/76561198080670371#!/compare/1566172800/1567555200

SALE 5

Unknown

https://backpack.tf/profiles/76561198080670371#!/compare/1567641600/1567728000

https://backpack.tf/profiles/76561198340634356#!/compare/1567641600/1567728000

SALE 6

Unknown

https://backpack.tf/profiles/76561198079363927#!/compare/1559952000/1560038400

https://backpack.tf/profiles/76561198033661509#!/compare/1559865600/1559952000

SALE 7

Unknown

https://backpack.tf/profiles/76561198169293808#!/compare/1560038400/1567123200

https://backpack.tf/profiles/76561198715939508#!/compare/1564012800/1565136000

SALE 8

Unknown

https://backpack.tf/profiles/76561198256876413#!/compare/1560384000/1560470400

https://backpack.tf/profiles/76561198340634356#!/compare/1560384000/1560470400

SALE 9

Looks like 4 keys with the second comparison link

https://backpack.tf/profiles/76561198340634356#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198079558727#!/compare/1565913600/1566518400

SALE 10

Don't know

https://backpack.tf/profiles/76561198064209153#!/compare/1565913600/1566604800

https://backpack.tf/profiles/76561198367816851#!/compare/1565740800/1565827200

SALE 11

Unknown

https://backpack.tf/profiles/76561198367816851#!/compare/1566518400/1566604800

https://backpack.tf/profiles/76561198056223909#!/compare/1566518400/1566604800

SALE 12

Don't know

https://backpack.tf/profiles/76561198056223909#!/compare/1566604800/1566691200

https://backpack.tf/profiles/76561198164353433#!/compare/1566345600/1566691200

SALE 13

Likely scm

https://backpack.tf/profiles/76561198002374027#!/compare/1563580800/1563840000

https://backpack.tf/profiles/76561198269133614#!/compare/1563494400/1563580800

SALE 14

Unknown

https://backpack.tf/profiles/76561198805586591#!/compare/1563840000/1565740800

https://backpack.tf/profiles/76561198255173313#!/compare/1563753600/1567728000

SALE 15

Sold for 4 keys + 2.22 refined

https://backpack.tf/profiles/76561198057747574#!/compare/1562716800/1562889600

https://backpack.tf/profiles/76561198335791307#!/compare/1562803200/1562889600

Rounds to 4.05 keys

SALE 16

Don't know

https://backpack.tf/profiles/76561198125958792#!/compare/1566518400/1566691200

https://backpack.tf/profiles/76561198340634356#!/compare/1566518400/1566604800

SALE 17

Sold for 72 taunt: the headcase

https://backpack.tf/profiles/76561198179403014#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198257912124#!/compare/1564790400/1566000000

Taking 4 keys from the mini.

Mini for the headcase

MINI SALE 1

Sold for 4 keys

https://backpack.tf/profiles/76561198179403014#!/compare/1566000000/1566086400

https://backpack.tf/profiles/76561198034268412#!/compare/1566000000/1566086400

SALE 18

Unknown

https://backpack.tf/profiles/76561198061325470#!/compare/1560729600/1560816000

https://backpack.tf/profiles/76561198143958128#!/compare/1560902400/1561075200

SALE 19

Unknown

https://backpack.tf/profiles/76561198271724167#!/compare/1562371200/1565136000

SALE 20

Sold for 4 keys + 16.66 refined

https://backpack.tf/profiles/76561198340960601#!/compare/1565913600/1566000000

https://backpack.tf/profiles/76561198286784386#!/compare/1565913600/1566000000

Rounds to 4.40 keys

SALE 21, 22, 23, 24, 25, 26, 27, 28, 29 & 30

Sold for 12.86 on june 10 (12.86/1.81 = 7.10 rounding to 7 keys)

Sold for 8.5 on june 23 (8.5/1.83 = 4.644 rounding to 4.65 keys)

Sold for 8.5 on june 26 (8.5/1.83 = 4.644 rounding to 4.65 keys)

Sold for 8 on july 14 (8/1.82 = 4.395 rounding to 4.40 keys)

Sold for 8 on july 19 (8/1.83 = 4.371 rounding to 4.35 keys)

Sold for 6.4 on july 28 (6.4/1.8 = 3.555 rounding to 3.60 keys)

Sold for 7.6 on august 10 (7.6/1.81 = 4.198 rounding to 4.20 keys)

3 sold for 7.6 on august 11 (7.6/1.83 = 4.153 rounding to 4.15 keys)

https://marketplace.tf/items/tf2/1168;5;u3010

CLASSIFIEDS

https://gyazo.com/f623faad5377ecd95c489471a0df4fc8

Sales at 4, 4, 4.05, and 4.40. Marketplace sales at 3.60, 4.15, 4.20, 4.35, 4.40, 4.65, 4.65, and 7.

Taking 4-4.65 keys.