https://marketplace.tf/items/tf2/15055;15;u704;w2;pk55;kt-3 less than a month before this sale there's a much lower one (~124); when you're using sales that are this close to being outdated, its best to check back a little further to ensure you're not accidentally cherrypicking.

Actually it seems like at the time these sales happened, this thing was all over the place, so leaving this outdated may actually be the best course of action.