Wow, SInce its your first time, selling=/= sold and B/O are not valid proof, Like said above me, you need 2 solds for valid proof. Downvote, better luck next time.

selling=/= sold, they can sell as high as they want but that doesn't mean anybody will buy it. plus your only sale is in the current range

Here's a guide to making good suggestions, best of luck to ya: http://forums.backpack.tf/index.php?/topic/7-how-to-create-a-good-unusual-price-suggestion/

Also read suggestion rules- they have the base guidelines and a few good tips aswell.