6 years!

https://backpack.tf/item/3134689207

Sale #1:

https://backpack.tf/profiles/76561198055622215#!/compare/1711152000/1711238400 ~ sold for a steaming luchadore (110) + KaW Team Captain (210)

https://backpack.tf/profiles/76561199018216778#!/compare/1711152000/1711238400

Considering buyers for any effect of the luchadore are 105 and sellers are 110 its safe to take 110 here as it wont change the price when rounding to the nearest 5.

Sale #2:

https://backpack.tf/profiles/76561198838788284#!/compare/1710892800/1711238400 ~ sold with a Misty Skull Attendant for 500 keys pure

No mini's on attendant.

Sale #3:

https://backpack.tf/profiles/76561199018216778#!/compare/1711929600/1712016000

https://backpack.tf/profiles/76561199018216778#!/compare/1711929600/1712016000 ~ sold for an Amaranthine Bolted Bicorne + Cursed Forever! Elf Esteem

Bicorne mini:

https://backpack.tf/profiles/76561199018216778#!/compare/1712188800/1712275200 ~ sold with the same elf for a misty skull dread knot which has no mini's woo