https://marketplace.tf/items/tf2/30099;5;u61

July 19 - $39.1 / $1.97 = 19.85 keys

July 27 - $33.99 / $1.92 = 17.70 keys

August 2 - $44.5 / $1.90 = 23.42 keys

https://backpack.tf/item/7955848146

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https://backpack.tf/profiles/76561198097361774#!/compare/1593907200/1594080000

https://backpack.tf/profiles/76561198155110999#!/compare/1593993600/1594080000

14 keys + 13 refined to buy order

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https://backpack.tf/profiles/76561198155110999#!/compare/1593993600/1594080000

https://backpack.tf/profiles/76561198137909800#!/compare/1593993600/1594080000

Untraceable

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https://backpack.tf/profiles/76561198137909800#!/compare/1594166400/1594252800

https://backpack.tf/profiles/76561198080179568#!/compare/1593993600/1594252800

Untraceable

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https://backpack.tf/profiles/76561198080179568#!/compare/1597622400/1597708800

https://backpack.tf/profiles/76561198061704900#!/compare/1596585600/1597795200

20 keys

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https://backpack.tf/profiles/76561198337734785#!/compare/1597363200/1597449600

https://backpack.tf/profiles/76561198091502579#!/compare/1597363200/1597449600

Untraceable

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https://backpack.tf/profiles/76561198305494036#!/compare/1592524800/1592611200

https://backpack.tf/profiles/76561198972294135#!/compare/1592438400/1592611200

https://gyazo.com/306eaf348ef60b1006537618ff15f0b0

https://bot.tf/stats/item?def=30099&q=5&ef=Miami%20Nights&craft=1&aus=0&ks=0&source=browser_script

16 keys, confirmed by bot.tf, 9 keys matches

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https://backpack.tf/profiles/76561198339336870#!/compare/1592611200/1592784000

https://backpack.tf/profiles/76561198972294135#!/compare/1592697600/1592784000

Bulk

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https://backpack.tf/profiles/76561198339336870#!/compare/1597881600/1598400000

https://backpack.tf/profiles/76561198345654513#!/compare/1598227200/1598313600

Looks like bulk or bulk quicksell

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Sales:

14

16

18

20

20

23

Several sellers under 20 keys

https://gyazo.com/a439add3796129a95bf0d23069861221

Two sales at 20 though, so going with 16-20 for the time being