Classifieds (at time of posting this suggestion)

http://backpack.tf/classifieds/?item=blood%20banker&quality=11&page=1

1 x 1.4 keys

2 x 1.5 keys

3 x 1.6 keys

1 x 1.7 keys

1 x 2 keys

Unsolds at 1.7 Keys :

http://www.tf2outpost.com/trade/20545417 1 week old.

http://www.tf2outpost.com/trade/20408040 1 week old. (Poorly bumped)

http://www.tf2outpost.com/trade/20460402 1 week old.

http://www.tf2outpost.com/trade/20408305 Has 5,1 week old.

http://www.tf2outpost.com/trade/20756229 3 days old

http://www.tf2outpost.com/trade/20787020 2 days old.

http://www.tf2outpost.com/trade/16145268 6 months old (lol)

http://www.tf2outpost.com/trade/20827531 young.

http://www.tf2outpost.com/trade/20631545 young.

Sellers below 1.7 keys:

http://www.tf2outpost.com/trade/20446460 1.6 keys

http://www.tf2outpost.com/trade/20518758 1.6 keys

http://www.tf2outpost.com/trade/20812324 1.6 keys

http://www.tf2outpost.com/trade/20641926 1.5 keys

http://www.tf2outpost.com/trade/20700620 1.5 keys

http://www.tf2outpost.com/trade/20861874 1.5 keys

http://www.tf2outpost.com/trade/20439354 1.4 keys

Another sellers :

http://www.tf2outpost.com/trade/20112929 2.3 keys

http://www.tf2outpost.com/trade/20763663 2 keys

http://www.tf2outpost.com/trade/20834700 2 keys

http://www.tf2outpost.com/trade/20791530 2 keys

It seems that sellers looking mostly between 1.6 and 1.5 keys

Constructive criticism, extra proof, counter-proof is greatly appreciated,thanks!

I am new to this,tell me if I did something wrong.