The last suggestion is 4 weeks in-date, but most of the sales itself are not.

From last suggestion:

https://backpack.tf/profiles/76561197994697258#!/compare/1568419200/1568505600

https://backpack.tf/profiles/76561198089298088#!/compare/1568332800/1568505600

https://backpack.tf/suggestion/5d5b4b926780727dee4e6f37

Low or full sale is untraceable.

So all the usable sales from last suggestion are out of date.

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https://marketplace.tf/items/tf2/48;5;u16

$165 = 92 keys

No buyout was found.

https://backpack.tf/item/196435796

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https://backpack.tf/profiles/76561198030220946#!/compare/1565827200/1565913600

https://backpack.tf/profiles/76561198914965603#!/compare/1565913600/1565913600 - private BP with no compares

https://steamcommunity.com/market/listings/440/Unusual%20Mining%20Light

https://steamcommunity.com/market/pricehistory/?country=US&currency=1&appid=440&market_hash_name=Unusual%20Mining%20Light

["Aug 16 2019 01: +0",99.575,"2"] - Shows up at August 15 in SCM link for some reason

August 16 - $99.58 / 2.35 or 2.36 = 42 keys

Quicksell price. https://gyazo.com/a1e144f6384f05efd68d5722d5852d8d