Proof Below

8 keys gets taken really quickly, tons of stuff over 8 keys.

Offers:

http://www.tf2outpost.com/trade/14135034 Offer of strange pompson (9 - 10 keys)

http://www.tf2outpost.com/trade/14022841 Offer of 9 keys

http://www.tf2outpost.com/trade/14170903 Offer of 9 keys

http://www.tf2outpost.com/trade/14022841 Retracted offer of 9 keys

http://www.tf2outpost.com/trade/14093283 Offer of 8 keys + 4 ref

http://www.tf2outpost.com/trade/14232001 Offer of 8 keys + 2 ref

http://www.tf2outpost.com/trade/14230431 Offer of 8 keys + 2 ref

http://www.tf2outpost.com/trade/13959104 Rejected offer of 8 Keys + 1 rec

http://www.tf2outpost.com/trade/14236323 Rejected offer of 8 keys

http://www.tf2outpost.com/trade/14257033 Rejected offer of 8 keys

http://www.tf2outpost.com/trade/14170903 Offer of 8 keys

http://www.tf2outpost.com/trade/14170903 Offer of 8 keys

http://www.tf2outpost.com/trade/14219035 Offer of 8 Keys

http://www.tf2outpost.com/trade/14152831 Offer of 8 Keys

Sales:

http://www.tf2outpost.com/trade/14275879 Add for Bubbling Beret (14 Keys W/Overpay)

http://www.tf2outpost.com/trade/14256383 Sold at 9.5 keys (Out of inv)

http://www.tf2outpost.com/trade/14262800 Sold at 9 keys + 3 ref (Out of inv)

http://www.tf2outpost.com/trade/14240709 Add at 9 keys

http://bazaar.tf/trade/409461 Sold for 9

http://www.tf2outpost.com/trade/14244676 Sold at 9 keys

http://www.tf2outpost.com/trade/14249420 Sold for 9 keys in items

http://www.tf2outpost.com/trade/14164207 Add at 9 keys

http://www.tf2outpost.com/trade/14240885 Sold for 9 keys

http://www.tf2outpost.com/trade/14276091 Sold for 9 keys (Out of inv)

http://www.tf2outpost.com/trade/14271391 Sold for 8 keys + 5 ref

http://bazaar.tf/trade/414259 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14276240 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14274635 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14269583 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14266714 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14264168 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14257591 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14256082 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14254688 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14252555 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14250473 Sold within an hour at 8 keys

http://www.tf2outpost.com/trade/14242182 Sold within a day at 8 keys

http://www.tf2outpost.com/trade/14241022 Sold within a day at 8 keys

http://www.tf2outpost.com/trade/14240610 Sold within a day at 8 keys

Buyers:

http://www.tf2outpost.com/trade/14267707 - 8 keys

http://www.tf2outpost.com/trade/14253702 - 8 keys

http://www.tf2outpost.com/trade/14254356 - Bought for 8

http://www.tf2outpost.com/trade/14238322 - Bought for 8

http://backpack.tf/classifieds/search/id/51fff8dcba2536386b000009

One quickseller of 8, everyone else is over

Slightly old proof from my previous suggestion:

http://www.tf2outpost.com/trade/14091436 - Offer of 8 keys

http://www.tf2outpost.com/trade/14091436 - Offer of 8.5 keys

http://www.tf2outpost.com/trade/14091436 - Offer of 8.5 keys

http://www.tf2outpost.com/trade/14091436 - Added for 9 keys

http://www.tf2outpost.com/trade/14078691 - Offer of 8 keys

http://www.tf2outpost.com/trade/14078691 - Offer of 8 keys

http://www.tf2outpost.com/trade/14078691 - Offer of 8 keys + 1 ref

http://www.tf2outpost.com/trade/13046746 - Offer of a potato, 8 keys w/grease

http://www.tf2outpost.com/trade/14073896 - Bought 1 for 8?

http://www.tf2outpost.com/trade/14124906 - Offer of 8 keys

http://www.tf2outpost.com/trade/14188716 - Add at 8.5 keys

http://www.tf2outpost.com/trade/14095265 - Offer of 9 keys

http://www.tf2outpost.com/trade/14095265 - Offer of 10 keys

http://www.tf2outpost.com/trade/14173815 - Offer of 8 keys + 1 ref

http://www.tf2outpost.com/trade/14173815 - Rejected offer of 8 keys

http://www.tf2outpost.com/trade/14170903 - Offer of 8 keys

http://www.tf2outpost.com/trade/14170903 - Offer of 8 keys

http://www.tf2outpost.com/trade/14022841 - Offer of 8 keys

http://www.tf2outpost.com/trade/14022841 - Offer of 8 keys + 1 ref

http://www.tf2outpost.com/trade/14022841 - Offer of 8 keys in items

http://www.tf2outpost.com/trade/14113193 - Offer of 8 keys + 3 ref

http://www.tf2outpost.com/trade/14113193 - Offer of 8 keys + 2 ref

http://www.tf2outpost.com/trade/14113193 - Offer of 8 keys

http://www.tf2outpost.com/trade/14194002 - Offer of 8 keys

http://www.tf2outpost.com/trade/14194002 - Offer of 8 keys

http://www.tf2outpost.com/trade/14192102 - Offer of 8 keys + 1 ref

http://www.tf2outpost.com/trade/14192102 - Offer of 9 keys in items

http://www.tf2outpost.com/trade/14192102 - Offer of 9 keys in items

Solds:

http://bazaar.tf/trade/406913 - Bought at 8

http://www.tf2outpost.com/trade/14196117 - Add at 8

http://www.tf2outpost.com/trade/14125585 - Add at 8

http://www.tf2outpost.com/trade/14125585 - Add at 8

http://www.tf2outpost.com/trade/14125585 - Add at 8 keys

http://www.tf2outpost.com/trade/14114929 - Sold for 8 keys

http://www.tf2outpost.com/trade/14114929 - Sold for 8 keys

http://imgur.com/EnOfLA8 - Sold for 8 keys

http://www.tf2outpost.com/trade/14190498 - Sold for 8 keys

http://www.tf2outpost.com/trade/14177792 - Sold for 8 keys

http://www.tf2outpost.com/trade/14176509 - Sold for 8 keys

http://www.tf2outpost.com/trade/14170657 - Sold for 8 keys

http://www.tf2outpost.com/trade/14168356 - Sold for 8 keys

http://www.tf2outpost.com/trade/14165707 - Sold for 8 keys

http://bazaar.tf/trade/406045 - Sold for 8 keys?

http://www.tf2outpost.com/trade/14035644 - Sold for 9 keys

http://www.tf2outpost.com/trade/14113193 - Sold for 9 keys

http://www.tf2outpost.com/trade/14192102 - Sold for 9 keys