Suggestion from Scourge, thank you very much!

https://backpack.tf/profiles/76561198801168467#!/compare/1646524800/1646611200

https://backpack.tf/profiles/76561198859721638#!/compare/1646352000/1646611200

Bulk

https://backpack.tf/profiles/76561198859721638#!/compare/1649289600/1649548800

https://backpack.tf/profiles/76561198139560938#!/compare/1649462400/1649548800

Sold for Phantom Chullo + Tesla Bandito + Isotope Spider FT Bazaar + Rockets Drongo + MW Spirits + ~5 keys in sweets

Tesla Bandito:

https://backpack.tf/suggestion/6263325d84b92776e3257c24

Average of ~30 keys

Bazaar:

https://backpack.tf/suggestion/626332adf42e877e062f18d1

38 keys

Chullo Mini:

https://backpack.tf/suggestion/62633466c934290ba67f45f1

Average of 105.5 keys

Drongo Mini:

https://backpack.tf/profiles/76561199132184792#!/compare/1646352000/1646438400

https://backpack.tf/profiles/76561199183541107#!/compare/1646265600/1646352000

Untrace

https://backpack.tf/profiles/76561198139560938#!/compare/1649462400/1649548800

https://backpack.tf/profiles/76561198859721638#!/compare/1649289600/1649548800

Bulk

https://backpack.tf/profiles/76561198080179568#!/compare/1647129600/1647216000

https://backpack.tf/profiles/76561198280693486#!/compare/1647129600/1647216000

Bulk

https://marketplace.tf/items/tf2/30839;5;u3020

$15.99 / $1.73 = 9.24 keys

https://backpack.tf/item/7296429024

https://i.imgur.com/aX4gLpg.png

11 month old seller for 8 keys, another seller for 8 keys.

ranging 8 - 9 keys

Totaling all these minis + buyers on Spirits meets the buyout.

B/O of 190 keys

https://marketplace.tf/items/tf2/380;5;u29

$279.99 / $1.74 = 160.91 keys

https://backpack.tf/item/509088288

So a range of 160 - 190 keys for the Lucha.

Average of 175 keys.