Item History:

https://backpack.tf/item/2039570115

Sale 1:

https://backpack.tf/profiles/76561198140316312#!/compare/1720137600/1720224000

https://backpack.tf/profiles/76561198111975583#!/compare/1719964800/1720224000

Eerie Orbiting Fire Large Luchadore (475) + Strange Misty Skull Big Chief (290) = Arcana Big Chief + Power Surge Fed Fightin' Fedora (66)

Arcana Big Chief = 699 keys

Misty Skull Big Chief Mini:

This hat is outdated, but many other suggestions have used slightly old prices for minis, plus the Misty Skull Big Chief is less than half of the total value of the deal.

https://backpack.tf/profiles/76561198033948771#!/compare/1707436800/1707609600

https://backpack.tf/profiles/76561198111975583#!/compare/1707436800/1707609600

190 keys pure + Genuine Professional Killstreak Original (20) + Spellbound Aspect Taunt: The Soviet Strongarm (22) + Burning Flames Cool Capuchon (~95) for Misty Skull Big Chief supports price of 290 and proves it could be even higher.

699 rounds to 700 keys = suggested price