Many unsold @ 7 keys for days but can find very few sold also can find selling/sold for only 6 and indeed can find buying easy 5-6 ,

Sellers @ 7 keys : unsold

http://www.tf2outpost.com/trade/8334522 2 days : have 3

http://www.tf2outpost.com/trade/8346115 ((( SOLD ))

http://www.tf2outpost.com/trade/8298987 3 days old

http://www.tf2outpost.com/trade/8350409 2 days old

http://www.tf2outpost.com/trade/8310657 2 days old

http://www.tf2outpost.com/trade/8323470 (( SOLD ))

http://www.tf2outpost.com/trade/8325976 seems want 6-7 : 2 days no offers

http://www.tf2outpost.com/trade/8292354 firm price : 4 days no taker

http://www.tf2outpost.com/trade/8381595 new trade painted green

http://www.tf2outpost.com/trade/8381567 new trade painted gold

http://www.tf2outpost.com/trade/8213614 A week

Selling for 6-6.5

http://backpack.tf/classifieds/search/54/3/0

Johnny West Posted 12 hours ago Vintage Soldier's Stash · Level 47 Hat 6 keys

Tangerine Posted 4 days ago Vintage Soldier's Stash · Level 49 Hat 6.5 keys

Selling for 6 keys

http://www.tf2outpost.com/trade/8357247 painted ts : sold

http://www.tf2outpost.com/trade/8367401 unsold yet

buying for 5-6 keys

http://www.tf2outpost.com/trade/8004785 : rejected seller want 6

http://www.tf2outpost.com/trade/8024181 got 3 @ 5 keys each , one has white paint ( price was 7-8.5 )

http://www.tf2outpost.com/trade/8259259 nice buyer , 6 keys get it in seconds

http://www.tf2outpost.com/trade/8132094 other nice buyer , 6 keys in seconds