Wow, 2 years outdated.

SALE 1

Sold for tesla coil noble nickel amassment of hats

https://backpack.tf/profiles/76561198089253101#!/compare/1561939200/1562025600

https://backpack.tf/profiles/76561198802991149#!/compare/1561939200/1562025600

Noble is outdated, taking a mini for it.

Or actually, there are fewer sales for the noble, better using this sale over there.

SALE 2

Sold with 4 refined for 14 keys

https://backpack.tf/profiles/76561198089253101#!/compare/1562457600/1562544000

https://backpack.tf/profiles/76561198452496286#!/compare/1562457600/1562544000

Rounds to 14 keys

SALE 3

Unknown

https://backpack.tf/profiles/76561198452496286#!/compare/1562544000/1562630400

https://backpack.tf/profiles/76561198114924746#!/compare/1562544000/1562716800

SALE 4

Sold for atleast 4 keys to a bot

https://backpack.tf/profiles/76561198114924746#!/compare/1562544000/1562630400

https://backpack.tf/profiles/76561198323565601#!/compare/1562544000/1562716800

SALE 5

Sold for 24 keys

https://backpack.tf/profiles/76561198091267468#!/compare/1562630400/1562803200

https://backpack.tf/profiles/76561198213234076#!/compare/1562630400/1562716800

SALE 6

Sold for purple fetti coldsnap cap + 5 keys

https://backpack.tf/profiles/76561198213234076#!/compare/1562716800/1562803200

https://backpack.tf/profiles/76561198348057478#!/compare/1562716800/1562803200

Coldsnap cap is outdated, taking a mini for it.

Actually, coldsnap cap has fewer sales, using this there.

SALE 7

Sold with a key for starstorm insomnia hellmet

https://backpack.tf/profiles/76561198849361119#!/compare/1562716800/1562803200

https://backpack.tf/profiles/76561198348057478#!/compare/1562716800/1562803200

Hellmet is outdated, taking a mini for it.

Actually, there's only one other recent sale for the hellmet. Using this over there.

SALE 8

Sold for 25 keys + 2.11 refined

https://backpack.tf/profiles/76561198849361119#!/compare/1562803200/1562889600

https://backpack.tf/profiles/76561198267189538#!/compare/1562716800/1562803200

Rounds to 25 keys

SALE 9

Unknown

https://backpack.tf/profiles/76561198267189538#!/compare/1562976000/1563062400

https://backpack.tf/profiles/76561198337734785#!/compare/1562976000/1563062400

SALE 10

Sold with 24 refined + 24.55 refined worth of hats for duped steaming pyromancers

https://backpack.tf/profiles/76561198350704417#!/compare/1564790400/1565136000

https://backpack.tf/profiles/76561198108797381#!/compare/1565049600/1565136000

SALE 11

Sold with other hats for pe hkc

https://backpack.tf/profiles/76561198973894950#!/compare/1565654400/1565740800

https://backpack.tf/profiles/76561198108797381#!/compare/1565654400/1565740800

Bulk

SALE 12

Unknown

https://backpack.tf/profiles/76561198973894950#!/compare/1565740800/1565827200

https://backpack.tf/profiles/76561198094847883#!/compare/1565654400/1565827200

SALE 13

Sold for 24 keys + 6 refined

https://backpack.tf/profiles/76561198203307876#!/compare/1566432000/1566518400

https://backpack.tf/profiles/76561198335791307#!/compare/1566345600/1566432000

Rounds to 24 keys

SALE 14

Sold for atleast 2 keys to a bot

https://backpack.tf/profiles/76561198143710298#!/compare/1562284800/1562457600

https://backpack.tf/profiles/76561198323565601#!/compare/1562371200/1562457600

SALE 15

Sold for keys, not sure how many though.

https://backpack.tf/profiles/76561198089253101#!/compare/1562457600/1562544000

https://backpack.tf/profiles/76561198091502579#!/compare/1562544000/1562544000

SALE 16

Not sure

https://backpack.tf/profiles/76561198062290614#!/compare/1562544000/1562630400

https://backpack.tf/profiles/76561198287198615#!/compare/1562544000/1562630400

SALE 17

Not sure, likely 25 keys though

https://backpack.tf/profiles/76561198287198615#!/compare/1562544000/1562630400

https://backpack.tf/profiles/76561198157836058#!/compare/1562544000/1562630400

SALE 18

Sold for 25 keys + snack attack

https://backpack.tf/profiles/76561198089253101#!/compare/1563840000/1563926400

https://backpack.tf/profiles/76561198108094239#!/compare/1563840000/1563926400

25 + 1 = 26 keys

SALE 19

Sold with circling heart engineer cap for circling heart melted mop + 10 keys

https://backpack.tf/profiles/76561198108094239#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198108797381#!/compare/1565827200/1565913600

Eh, melted mop has fewer sales, better used there.

SALE 20

64.99 on july 23 (64.99/1.81 = 35.9 rounding to 36 keys)

https://marketplace.tf/items/tf2/937;5;u29

CLASSIFIEDS

https://gyazo.com/50f50f85ac386f3430c0387802568412

Sales at 14, 24, 24, 25, and 26. Likely sale at 25. Marketplace sale at 36.

Taking 24-26 keys.