Bot.tf

https://i.imgur.com/aoCQWi3.png

30 days

sales: 29, 32

buys: 27

https://backpack.tf/profiles/76561198221262648#!/compare/1542240000/1549324800

29 keys

https://backpack.tf/profiles/76561198312151880#!/compare/1549324800/1549411200

32 keys

I'm pretty sure these two sales are the aforementioned 29 & 32 key sales.

Classifieds

https://backpack.tf/classifieds?page=1&item=Wrench&quality=11&tradable=1&craftable=1&australium=1

https://imgur.com/a/VsLJnSg

Sellers for 30 keys

Buyers for 28 keys

Marketplace

https://marketplace.tf/items/197;11;australium

Recent sales on marketplace (January)

The sales under $40 are buy orders, I will be excluding those.

$55.50 = 32 keys

$57.99 = 32 keys

$58.00 = 32.5 keys

$55.20 = 30 keys

https://marketplace.tf/items/197;11;australium;festive

$57.15 = 32.4 keys

$57.16 = 32.6 keys

$56.58 = 31.4 keys

All sales are supporting a price over 30 keys.

//

Going with 29-30. Using the 29 and 32 key sales, but there is one seller for 30 keys that has been up for 18 days (the other - only a couple of hours)

Too bad for the 32 key buyer guy, he could've bought it for 30 keys if he just took off the killstreak tier filter.