Using all Killstreak tiers (except for Pro Killstreak because they sell higher)

Taking past 30 days, all values are rounded to the nearest whole number

Bot.tf stats:

(No KS) https://imgur.com/q7cChOX

Sales:

3 @ 50 keys (ABOVE SELLERS)

2 @ 42 keys, 28.00 ref ~43 keys

1 @ 44 keys

1 @ 45 keys

Buys:

2 @ 42 keys, 1.00 ref ~42 keys

1 @ 41 keys, 1.00 ref (BELOW BUYERS)

1 @ 42 keys, 27.00 ref, ~43 keys

(Basic KS) https://imgur.com/IIzrUpv

No sales

(Spec KS) https://imgur.com/KbM80WC

Sales:

2 @ 43 keys, 2.77 ref ~43 keys

1 @ 43 keys, 32.66 ref ~44 keys

1 @ 43 keys, 32.77 ref ~44 keys

1 @ 43 keys, 28.88 ref ~44 keys

1 @ 44 keys

1 @ 43 keys, 40.33 ref ~44 keys

1 @ 42 keys, 42.44 ref ~43 keys

1 @ 43 keys

1 @ 47 keys

Buys:

1 @ 40 keys, 5.33 ref (BELOW BUYERS)

1 @ 0.88 ref (WTF)

1 @ 42 keys, 4.00 ref ~42 keys

1 @ 42 keys, 21.22 ref ~42 keys

1 @ 42 keys, 21.77 ref ~42 keys

1 @ 42 keys, 21.33 ref ~42 keys

1 @ 42 keys, 25.11 ref ~43 keys

1 @ 42 keys, 25.00 ref ~43 keys

1 @ 43 keys, 33.55 ref ~44 keys

SCM: https://steamcommunity.com/market/listings/440/Strange%20Australium%20Rocket%20Launcher

Sales vary between $80.5 and $108.07 (36.59-47.82 keys)

Marketplace.tf: https://marketplace.tf/items/tf2/205;11;australium

Sales vary between $73.52 and $90 (40.39-47.62 keys)

Using pure sales as priority using the MP and SCM sales to support a range.

Sellers at 45-46 keys on the basic killstreak make 47-50 look high, 42-44 looks really common but no reason to exclude 45

Taking 42-45 keys