Mallard Crone

Sale 1:
https://backpack.tf/profiles/76561198061437907#!/compare/1566172800/1566518400
https://backpack.tf/profiles/76561198065400580#!/compare/1566432000/1566518400
sold for Burning Mop
use there

Sale 2:
https://backpack.tf/profiles/76561198065400580#!/compare/1567468800/1567555200
https://backpack.tf/profiles/76561197994587943#!/compare/1567209600/1567555200
Sold for Duped Burning Milkman
no possible mini

Sale 3:
https://backpack.tf/profiles/76561197994587943#!/compare/1568073600/1568246400
https://backpack.tf/profiles/76561198225715416#!/compare/1568160000/1568246400
Sold for KaW Chief + Showstopper Requiem(4) + C9 Waxy(10) + Steaming Brain Bowl + TW Dogger + TW Connoisseur + TW Western + TW Kiss King + KaW Razor + TW Challenge(19)

Connoisseur Mini:
https://backpack.tf/suggestion/5dcb6c1bd3817242046a4176
Suggestion for 9 keys

Bot Dogger Mini:
https://pastebin.com/GEQVZqqW
nothing solid for a suggestion, let's take the 2 month old seller at 14 keys.

Western Mini:
https://backpack.tf/suggestion/5dca79bed381720cb24eb6fd
Suggestion for 14 keys

Kiss King Mini:
https://backpack.tf/suggestion/5dcb784567807216d92da956
suggestion for 14 keys

Razor Mini:
https://backpack.tf/suggestion/5dcb92aa67807223255b30a8
Suggestion for 10.5 keys

Brain Bowl has no mini, lets take outdated. (20)

Total is 100.5 keys

Sale 4:
https://backpack.tf/profiles/76561198225715416#!/compare/1568419200/1568505600
https://backpack.tf/profiles/76561198089253101#!/compare/1568419200/1568505600
Sold for Beams Tipped
use there

Sale 5:
https://backpack.tf/profiles/76561198089253101#!/compare/1568505600/1568592000
https://backpack.tf/profiles/76561198160856661#!/compare/1568505600/1568592000
Sold for 93 keys (thanks Torb for the screenshot!)
https://i.imgur.com/jNBIvEU.png