Finally I can raise this again!

http://www.tf2outpost.com/trade/16758851

-Sold within 1 hour for 19 keys. The only sale I found for 19 keys today.

http://bazaar.tf/trade/608178

-Sold within an hour for 19.5 keys.

20 keys sales

http://tf2tp.com/trade.php?trade=9956320 - no longer in bp

http://www.tf2outpost.com/trade/16704532 - sold for a s.f. bat + sweets. Probably 20 since that was his b/o

http://www.tf2outpost.com/trade/16702823

http://www.tf2outpost.com/trade/16703585

http://www.tf2outpost.com/trade/16571582

http://www.tf2outpost.com/trade/16750825 - offered 19.5. Also had an add. Has a bookmark, bound to sell.

22 keys sale?

http://www.tf2outpost.com/trade/16601595

25 keys sale (Outlier?)

http://www.tf2outpost.com/trade/16692773

19 keys buyer

http://www.tf2outpost.com/trade/16715095

There isn't much links to work with and I found as much as I could. Additional proof would be swell.

Feel free to counter / support my proof. Vote based on proof presented, not blindly!

Just saw one hit in the classifieds for 19 keys and sold within 10 minutes of listing

http://backpack.tf/classifieds/search/id/5223bee64f96f4443a8b4568 --> http://puu.sh/61654.png

Proves that 19 keys is a quicksell :)