Please support your future suggestions with evidence; opinions aren't evidence, links to trades or screenshots are.

uh wheres your proof that it should be lowered? I dont see any proof...

If you're trying to sell this, that goes to http://backpack.tf/classifieds.

However, the only way a free-to-play can trade you keys is if they are traded keys first, and those would have to be donations or exchanged for dropped Name Tags. So you really can't ask a F2P to pay in keys for something. There's a reason "gift" is in the item's name.