First of all, you need way more proof to make a key suggestion. Use TF2outpost, backpack.tf etc

Second, you need valid sellers if you want to lower the price. I could sell a key for 3 ref, that does not represent the market and most certainly does not mean that keys should be 3 ref.

http://forums.backpack.tf/index.php?/topic/2620-rules-for-key-suggestions/

Here is a good guide on how to make a proper key suggestion.

I hope that I've helped but I will have to down vote this suggestion.

Classies buyers at 29.22 counter + your link is broken