Evidence is all unsold items. What we can gleam from these is that they're prices that don't sell well.

Now, here's some more unsold, all from the past half hour.

http://www.tf2outpost.com/trade/5003918

http://www.tf2outpost.com/trade/5041176

http://www.tf2outpost.com/trade/5042997

http://www.tf2outpost.com/trade/4909594

http://www.tf2outpost.com/trade/4993100

Prices from 4 ref to 2 keys. Quite frankly, the genuine could be updated to match the nongenuine Marxman price of 1.5-2 keys. There's just too many of them, people don't want the Marxman and being genuine isn't making a difference to anyone.