Sale 1:

https://backpack.tf/profiles/76561198838788284#!/compare/1590969600/1591056000

https://backpack.tf/profiles/76561198055622215#!/compare/1591056000/1591142400

Sold with spells for Burning Fragger + spell

Fragger Mini:

https://backpack.tf/suggestion/5f3714fdd788e10ccb534e89

Suggestion fro 73.5 keys

Seven Seas Mini:

https://backpack.tf/profiles/76561198838788284#!/compare/1596240000/1596326400

https://backpack.tf/profiles/76561197995880156#!/compare/1596153600/1596326400

Sold for 8 keys

No mini for the Banadan and Gibus, and I feel like that would change the price significantly.

sale 2:

https://backpack.tf/profiles/76561198126724403#!/compare/1596758400/1596844800

https://backpack.tf/profiles/76561198258237462#!/compare/1596758400/1596844800

Bulky

sale 3:

https://backpack.tf/profiles/76561198258237462#!/compare/1597017600/1597190400

https://backpack.tf/profiles/76561198331398297#!/compare/1597104000/1597190400

Sold for Duped Burning Defiant

Defiant Mini:

https://pastebin.com/7ciPJk6J

sale for 69 keys.

sale 4:

https://backpack.tf/profiles/76561198331398297#!/compare/1597190400/1597276800

https://backpack.tf/profiles/76561198145695590#!/compare/1597190400/1597276800

Bulky / use there

sale 5:

https://backpack.tf/profiles/76561198145695590#!/compare/1597276800/1597363200

https://backpack.tf/profiles/76561198851895221#!/compare/1597276800/1597363200

Sold with 7 keys for Frostbite Merryweather

use there

Sale 6:

https://marketplace.tf/items/tf2/30416;5;u83

$99.99 / $1.94 = 51.54 keys <--- https://backpack.tf/item/3121092051

$150 / $1.95 = 76.92 keys <--- https://backpack.tf/item/3121092051

Total sales @:

52, 69, 77 keys

buyers up to 52 keys,

taking 69 - 77 keys