Sellers:

https://marketplace.tf/items/30177;5;u18

https://backpack.tf/item/5017059018

https://backpack.tf/item/2887022024 - b/o: $399.99 = 193 keys, $405.42 = 196 keys

Sold:

https://backpack.tf/profiles/76561198055847835#!/compare/1496707200/1496793600 - not a sale, items being brokered (confirmed by lila in previous suggestion)

https://backpack.tf/profiles/76561198068404730#!/compare/1496620800/1496793600 - bulk

http://www.tf2outpost.com/trade/29193728

https://backpack.tf/profiles/76561198113853563#!/compare/1496188800/1496275200 - sold for Haunted Ghosts War Pig (161) + 2 keys + sweets (3) = 150 keys b/o

https://backpack.tf/profiles/76561198010763813#!/compare/1495324800/1495411200

https://backpack.tf/profiles/76561198113853563#!/compare/1495324800/1495411200 - ?

https://backpack.tf/profiles/76561198013633449#!/compare/1492473600/1492905600 - used to price Scorching Flames Tyrantium Helmet

Mini's:

duped Searing Plasma Charmer's Chapeau:

Sold:

https://backpack.tf/profiles/76561198119057478#!/compare/1495843200/1495929600 - backpack purchase

Conclusion:

no mini, taking current price

Eerie Orbiting Fire Ol' Snaggletooth:

https://backpack.tf/suggestion/593a7c2e0e2cad51cf11c9c9 = 21 keys

Conclusion:

sales at 150

taking 150 keys

Previous Suggestion: http://backpack.tf/suggestion/593b1430c440455c43529f89