Lowering the price as I want to buy one soon and I don't want to pay too much.

Proof:

Classifieds:

My search function on classifieds is broken but you can see them here.

http://backpack.tf/stats/776/11/0 (2 for 1.5, 1 for 1.87, 2 for 1.99 and LOTS for 2 keys)

Outpost:

Unsolds:

http://www.tf2outpost.com/trade/14177526 (2.2 keys, young, painted)

http://www.tf2outpost.com/trade/14174105 (2.2 keys, young, painted)

http://www.tf2outpost.com/trade/14175096 (2.2 keys, young)

http://www.tf2outpost.com/trade/14130447 (2.2 keys, 2 days)

http://www.tf2outpost.com/trade/14128703 (2.33 keys?, 2 days)

http://www.tf2outpost.com/trade/14156252 (2.4 keys, 1 day)

http://www.tf2outpost.com/trade/14118807 (2.4 keys, 2 days, young)

http://www.tf2outpost.com/trade/14170325 (2.4 keys, young, painted)

http://www.tf2outpost.com/trade/14153153 (2.5 keys, 1 day, painted)

http://www.tf2outpost.com/trade/14136359 (2.5 keys, 2 days)

http://www.tf2outpost.com/trade/14019258 (2.5 keys, 5 days)

http://www.tf2outpost.com/trade/14176284 (2.5 keys, young)

http://www.tf2outpost.com/trade/14167775 (2.5 keys, young)

http://www.tf2outpost.com/trade/14077117 (2.5 keys, 4 days)

http://www.tf2outpost.com/trade/14173692 (2.5 keys, young)

http://www.tf2outpost.com/trade/14151775 (2.5 keys, 1 day)

http://www.tf2outpost.com/trade/14133949 (2.5 keys, 2 days, poorly bumped)

Selling/Sold:

1 key:

http://www.tf2outpost.com/trade/14112518 (2 days)

1.5 keys:

http://www.tf2outpost.com/trade/14172091 (Young)

2 keys:

http://www.tf2outpost.com/trade/14178078 (Young)

http://www.tf2outpost.com/trade/14151945 (1 day)

http://www.tf2outpost.com/trade/14132946 (2 days)

http://www.tf2outpost.com/trade/14177718 (Young)

http://www.tf2outpost.com/trade/14157528 (1 day)

http://www.tf2outpost.com/trade/14164784 (Young)

http://www.tf2outpost.com/trade/14148220 (1 day)

http://www.tf2outpost.com/trade/14151443 (1 day)

http://www.tf2outpost.com/trade/14163733 (Young)

http://www.tf2outpost.com/trade/14162906 (Young)

http://www.tf2outpost.com/trade/14161951 (Young)

http://www.tf2outpost.com/trade/14163017 (Young, poorly bumped)

http://www.tf2outpost.com/trade/14116155 (2 days, poorly bumped)

As you can see, lots of unsolds at 2.5 keys including a few painteds. LOTS of sellers at 2 keys and a few at 1.5. 1.5 keys is a bit of a quicksell so the price should be 2 keys flat.

Thanks for voting : )