I'm gonna be away from internet for a while, so might as well make a suggestion while I can. Only 2 and a half pages on Outpost, a lot having collector's levels and are selling in sets.

Sellers at 1 key:

http://www.tf2outpost.com/trade/23618693

http://www.tf2outpost.com/trade/23852371 Young an unbumped at time of posting.

Sellers at 1.2 keys:

http://www.tf2outpost.com/trade/23823390

http://www.tf2outpost.com/trade/23825443

http://www.tf2outpost.com/trade/23862074 Young an unbumped at time of posting.

Unsolds at 1.3 keys:

http://www.tf2outpost.com/trade/23800736 5 days old.

http://www.tf2outpost.com/trade/23794882 5 days old.

http://www.tf2outpost.com/trade/23755962 1 week old.

http://www.tf2outpost.com/trade/23717138 1 week old.

http://www.tf2outpost.com/trade/23752022 1 week old.

http://www.tf2outpost.com/trade/23714697 1 week old.

http://www.tf2outpost.com/trade/23754253 1 week old.

http://www.tf2outpost.com/trade/23592932 2 weeks old.

http://www.tf2outpost.com/trade/23394703 4 weeks old.

http://www.tf2outpost.com/trade/23140966 1 month old.

http://www.tf2outpost.com/trade/22658057 2 months old.

Classifieds at time of posting: http://backpack.tf/classifieds/?item=Soldier%27s%20Stash&quality=3&tradable=1&craftable=1

1 for 1.1 keys.

2 for 1.2 keys.

6 for 1.3 keys.

This hat just ain't selling for 1.3 keys anymore. It's a nice hat, though. May she rest in peace. *salute*