Only 1 recent traceable sale.

Sold for 10 keys pure + 2.5 keys in sweets. -> 13 keys after rounding up.

No outpost.

http://backpack.tf/profiles/76561198160998395#!/compare/1473897600/1473984000

If you look at the item history below, you’ll see an exchange of the hat between two people. Inventory on bp.tf hasn’t tracked the change. Also they’re on each other’s friendslist, so perhaps they were just exchanging the hat between the backpacks and not selling.

http://backpack.tf/item/3301182974