Counter I guess?

https://backpack.tf/suggestion/69676e4f1f754b29b30ab82d - Credits Blight for the sales

Item 1:

https://backpack.tf/item/15628650016

Sale 1:

https://marketplace.tf/items/tf2/31469;5;u10

Sold for $179.99 on the 13th of Jan

Keys were $1.82 on the 13th

179.99/1.82

= 98.89

Rounding up to 99

Item 2:

https://backpack.tf/item/15168394397

Sale 2:

https://backpack.tf/profiles/76561199821201146#!/compare/1762128000/1762214400

https://backpack.tf/profiles/76561199082063091#!/compare/1762214400/1762300800

Sold for 37 keys + Strange Australium Frontier Justice (17.5) + Strange Professional Killstreak Australium Black Box (36)

= 90.5

Rounding up to 91 keys (as Aussie Frontiers sales are more towards the 18 mark anyway)

Mini for the Aussie Frontier Justice:

Gladiator.tf

Bought in the past 30 days

1 @ 18 keys 10.55 ref

1 @ 18 keys 8.88 ref

1 @ 17 keys 50.55 ref

2 @ 17 keys 36.66 ref

2 @ 17 keys 36.55 ref

1 @ 17 keys 36.44 ref

1 @ 17 keys 5.55 ref

Sold in the past 30 days

2 @ 18 keys 10.11 ref

4 @ 18 keys 10 ref

2 @ 18 keys 9.88 ref

2 @ 18 keys 9.44 ref

2 @ 18 keys 9.11 ref

8 @ 18 keys 9 ref

2 @ 18 keys 8 ref

2 @ 18 keys 7.77 ref

2 @ 18 keys 7.66 ref

2 @ 18 keys 5.22 ref

2 @ 17 keys 55 ref

2 @ 17 keys 51.88 ref

2 @ 17 keys 43.44 ref

2 @ 17 keys 19.22 ref

2 @ 17 keys 12.88 ref

4 @ 17 keys 9 ref

2 @ 17 keys 8 ref

2 @ 17 keys 6.77 ref

2 @ 17 keys 2.66 ref

2 @ 17 keys 1 ref

Sales fall between 17 - 18 keys

Going with 17.5 keys for the frontier

Mini for the Pro Killstreak Aussie Blackbox:

Gladiator.tf

Sold in the past 30 days

1 @ 37 keys

1 @ 32 keys

1 @ 30 keys 1 ref

1 @ 29 keys 30 ref

1 @ 28 keys 15.22 ref

1 @ 28 keys

1 @ 25 keys 64.88 ref

1 @ 25 keys 58.44 ref

1 @ 25 keys 44.66 ref

1 @ 25 keys 32.22 ref

1 @ 25 keys 28.55 ref

1 @ 25 keys 28.44 ref

1 @ 25 keys 28.11 ref

1 @ 25 keys 25.77 ref

3 @ 25 keys 22.77 ref

1 @ 25 keys 14.33 ref

1 @ 24 keys 49.11 ref

3 @ 24 keys 49 ref

2 @ 25 keys 32.11 ref

2 @ 25 keys 30.66 ref

6 @ 25 keys 29.66 ref

2 @ 25 keys 28.66 ref

2 @ 25 keys 28.55 ref

2 @ 25 keys 28.44 ref

4 @ 25 keys 28.33 ref

2 @ 25 keys 28 ref

2 @ 25 keys 26.77 ref

2 @ 25 keys 25.44 ref

2 @ 25 keys 21 ref

2 @ 25 keys 20.22 ref

2 @ 25 keys 19.55 ref

2 @ 25 keys 15.22 ref

2 @ 25 keys 13.88 ref

4 @ 25 keys 10.22 ref

2 @ 25 keys 3.66 ref

2 @ 24 keys 58.55 ref

2 @ 24 keys 56.66 ref

2 @ 24 keys 51.66 ref

2 @ 24 keys 48.55 ref

2 @ 24 keys 44.33 ref

2 @ 24 keys 35.88 ref

2 @ 24 keys 35.55 ref

2 @ 24 keys 9 ref

2 @ 23 keys 16.55 ref

Excluding the higher sales sales mainly range from 24 - 26 keys

HOWEVER the actual blackbox is Team Shine and Fire Horns which is the most sought.

There was a sale for the actual item here:

https://backpack.tf/profiles/76561199821201146#!/compare/1762128000/1762214400 - Doesn't show here

https://backpack.tf/profiles/76561197980830714#!/compare/1762128000/1762214400

Keys match 36 keys

To further solidify 36 keys there are buyers at 36 keys for combo

https://imgur.com/a/K0YloTl

Going with 36 keys for the Blackbox

Item 3:

https://backpack.tf/item/15181846046

Sale 3:

https://backpack.tf/profiles/76561198047544122#!/compare/1766880000/1766966400

https://backpack.tf/profiles/76561198183617811#!/compare/1766966400/1767139200

It looks like it was dumped to a bought and rebought straight away from Bot Snoopy ⚡[⇄] 24/7⚡

I can only see the dump which looks like 67 keys + 26.33 ref

Excluding this sale though as it isn't clear and was dumped and bought same day

//

Sellers:

BPTF - None

MPTF - https://marketplace.tf/items/tf2/31469;5;u10

STN - https://stntrading.eu/item/tf2/Unusual+Purple+Energy+Fleet+Commander - None

SCM - https://steamcommunity.com/market/listings/440/Unusual%20Fleet%20Commander?filter=Purple+Energy - None

Sale(s):

99, 91, 67 (unconfirmed and a QS)

As mentioned above 67 isn't confirmed but going with the other two for the range.

Going with 91 - 99 keys