https://marketplace.tf/items/tf2/30071;5;u61

Feb 2 - $15.95 = 9 keys

Feb 9 - $13.56 = 7.5 keys

Apr 4 - $13.61 = 8 keys

April 8 - $15.00 = 9 keys

April 22 - $11.13 = Buy order https://gyazo.com/25dc8108fc0d22e4a11be4ffaab0c45f

April 23 - $18.99 = 10.5 keys

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https://backpack.tf/profiles/76561198149843476#!/compare/1579046400/1585785600

https://backpack.tf/profiles/76561198257118442#!/compare/1584489600/1586908800

Untraceable

//

https://backpack.tf/profiles/76561198850274253#!/compare/1584835200/1584921600

https://backpack.tf/profiles/76561198811245922#!/compare/1584662400/1584835200

Untraceable

//

https://backpack.tf/profiles/76561198811245922#!/compare/1585008000/1585267200

https://backpack.tf/profiles/76561198351868252#!/compare/1585094400/1585872000

The keys leaving the 2nd compare don't match, so I don't know what the sale is

Unless it's 23 refined which is the near ID points to

//

https://backpack.tf/item/7957652027

I couldn't find the Miami Nights Cloud Crasher link on Mannco.store

https://backpack.tf/profiles/76561198083713697#!/compare/1585440000/1586304000

https://backpack.tf/profiles/76561198154431883#!/compare/1585785600/1585958400

Looking at compares, it looks like it went through SCM for an unknown price

https://backpack.tf/profiles/76561198154431883#!/compare/1586304000/1586390400

https://backpack.tf/profiles/76561198157330021#!/compare/1586304000/1586476800

This also, unknown SCM

https://steamcommunity.com/market/listings/440/Unusual%20Cloud%20Crasher

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https://backpack.tf/profiles/76561198157330021#!/compare/1587945600/1588118400

https://backpack.tf/profiles/76561198995880972#!/compare/1587859200/1587945600

Untraceable

//

https://backpack.tf/profiles/76561198160856661#!/compare/1585612800/1585699200

https://backpack.tf/profiles/76561198084727676#!/compare/1583884800/1586563200

Bulk

//

Sales:

7.5

8

9

9

10.5

Current sellers:

https://gyazo.com/86f47362dc1d8bc9eba28ef1f0fd831f

12 keys for 2 months

https://marketplace.tf/items/tf2/30071;5;u61

$16.95 for 4 days

Buyers:

https://gyazo.com/e72b5027159db6a4bfc3f625de74d899

7.3 keys

7.5 is low

I don't get the feeling that 10.5 is low just yet, it would depend on how fast the $16.95 seller goes (approximately 9.3 keys)

However just to make it neat, I'll just chop off the ends and go with a clean 8-9 key range