Another one.

SALE 1

Sold for 17 keys

https://backpack.tf/profiles/76561198334712990#!/compare/1560988800/1561248000

SALE 2

Sold for 26 keys + 17.33 refined?

https://backpack.tf/profiles/76561198267189538#!/compare/1563926400/1564012800

I don't think so, it was sold to an stn bot, probably something else was added from seller side.

B/o was 17 keys

https://bot.tf/stats/listings/4ZKX628Q

SALE 3

Massive bulk sale

https://backpack.tf/profiles/76561198311498888#!/compare/1564099200/1564185600

CLASSIFIEDS

https://gyazo.com/02057b9b59dd25dd16a207575ddf9139

MARKETPLACE SALES

30.43 on august 3 (30.43 / 1.82 = 16.71 rounding to 17 keys)

39.99 on august 9 (39.99 / 1.83 = 21.85 rounding to 22 keys)

https://marketplace.tf/items/tf2/341;5;u33

Sale at 17. Marketplace sales at 17 and 22.

Taking 17-22 keys.