Selling:

2 keys:

http://www.tf2outpost.com/trade/10546038 - New price

http://www.tf2outpost.com/trade/10662938 - Sold really quickly

2.2 keys:

http://www.tf2outpost.com/trade/10670553 - New

2.6 keys:

http://www.tf2outpost.com/trade/10437288 - Sold

2.8 keys:

http://www.tf2outpost.com/trade/10531641 - Sold, check the bp.

2.9 keys / 14.66 ref:

http://www.tf2outpost.com/trade/10499584 - 1 week old

3 keys:

http://tf2tp.com/trade.php?trade=9409278 - Sold, check the bp

http://www.tf2outpost.com/trade/10411526 - Sold

http://www.tf2outpost.com/trade/10506475 - 6 days old

http://www.tf2outpost.com/trade/10442572 - 1 week old

http://www.tf2outpost.com/trade/10532873 - 5 days old

http://www.tf2outpost.com/trade/10617523 - 2 days old

http://www.tf2outpost.com/trade/10161287 - 3 weeks old, offered 3 keys, no trade yet

http://www.tf2outpost.com/trade/10577495 - 4 days old, offered a bp expander

http://www.tf2outpost.com/trade/10615925 - 2 days old

http://www.tf2outpost.com/trade/10629362 - 1 day old, retracted add at 3 keys

http://www.tf2outpost.com/trade/10641666 - 1 day old, not bumped in a while

http://www.tf2outpost.com/trade/10612728 - 2 days old, not bumped in a while

http://www.tf2outpost.com/trade/9577895 - 1 month old, offered 2.4 keys, not bumped in a while

http://www.tf2outpost.com/trade/10580942 - 3 days old, offered a g. shred alert, not bumped in a while

http://www.tf2outpost.com/trade/10413466 - 1 week old, offered a f. scatter gun, not bumped in a while

Buying:

V. hat + 1 key:

http://www.tf2outpost.com/trade/9864368 - 1 month old

2.5-2.75 keys in items:

http://www.tf2outpost.com/trade/10572704 - 4 days old