Goddamn these things.

http://www.tf2outpost.com/trade/14008952

Sold for 6.5 keys?

http://www.tf2outpost.com/trade/14025898

Originally offered a V. Lugermorph (~6 keys, was retracted), sold for a White V. Whiskered Gentleman and 2 keys (~5.5 keys)

http://www.tf2outpost.com/trade/14128344

B/O of 6

http://www.tf2outpost.com/trade/14131592

Untaken B/O of 7

http://www.tf2outpost.com/trade/14141255

B/O of 7

http://www.tf2outpost.com/trade/14165266

No offers

http://www.tf2outpost.com/trade/14150218

Offered a White V. V. Merryweather and a TS V. Whiskered Gentleman (~6 keys)

http://www.tf2outpost.com/trade/14119443

Unsold 7 keys (2 days)

http://www.tf2outpost.com/trade/14146679

Unsold 7 keys, 1 day

http://www.tf2outpost.com/trade/14153581

5.5 keys, unsold 1 day

http://www.tf2outpost.com/trade/14103505

Highest offer is 5 keys

http://steamcommunity.com/market/listings/440/Strange%20Part%3A%20Kills%20with%20a%20Taunt%20Attack

Sales are around $12.5, ~6 keys

http://puu.sh/4jlbQ.jpg

On classifieds for 5.5

All of the 8 keys and 7 keys sales/offers shown in my last suggestion are pretty old now and invalid, these trades don't happen anymore (7 seems to be impossible by now)