My last suggestion got closed because I didn't delivered proof of sellers @1key so here it is:

Sellers @1key

http://www.tf2outpost.com/trade/14688273

http://www.tf2outpost.com/trade/14680435

http://www.tf2outpost.com/trade/14611623

http://www.tf2outpost.com/trade/14705285

http://www.tf2outpost.com/trade/14705271

http://www.tf2outpost.com/trade/14704732

http://bazaar.tf/trade/450993

http://www.tf2outpost.com/trade/14699311

http://www.tf2outpost.com/trade/14698331

http://www.tf2outpost.com/trade/14697348

http://www.tf2outpost.com/trade/14696347

http://tf2tp.com/trade.php?trade=9806855

http://www.tf2outpost.com/trade/14687496 (wanted 1key + 1ref but agrees with 5.88 ref, still not able to sell for 5.88 btw)

http://www.tf2outpost.com/trade/14686968 (wanted 1 key, check trade.tf)

http://www.tf2outpost.com/trade/14686316 (sold for 1 key, check trade.tf)

Unsold @ 1.1-1.2keys

http://www.tf2outpost.com/trade/14643273

http://www.tf2outpost.com/trade/14646433

http://www.tf2outpost.com/trade/14592323

http://www.tf2outpost.com/trade/14593155

http://www.tf2outpost.com/trade/14651562

http://www.tf2outpost.com/trade/14673003

http://www.tf2outpost.com/trade/14480921

http://www.tf2outpost.com/trade/14652031

http://www.tf2outpost.com/trade/14601278 (1:1 with brotherhood = 1-1.2 keys)

http://www.tf2outpost.com/trade/14657413

http://www.tf2outpost.com/trade/14646641

http://www.tf2outpost.com/trade/14571919

http://bazaar.tf/trade/442528

http://bazaar.tf/trade/396335

http://bazaar.tf/trade/447153

http://bazaar.tf/trade/382755

http://www.tf2outpost.com/trade/14689756

http://www.tf2outpost.com/trade/14687496

http://www.tf2outpost.com/trade/14296679

http://www.tf2outpost.com/trade/14679432

http://www.tf2outpost.com/trade/14694391

http://www.tf2outpost.com/trade/14694478

Classifieds as additional proof: http://puu.sh/4CxFX.png

http://puu.sh/4D3wq.png

Also 1 key on trade.tf: http://www.trade.tf/price/30132/6

additional sellers @1key

http://www.tf2outpost.com/trade/14711727

http://www.tf2outpost.com/trade/14711267

http://www.tf2outpost.com/trade/14710741