The same case as the Dark Age Defender. People bought this cute little bloody bird for 4.66 (or below) and then resell it for 5 ref. Let's just make a range for this cute bird.

http://backpack.tf/classifieds/search/archimedes .. 3 sellers for 4.66

Sellers below 4.66:

http://www.tf2outpost.com/trade/12673680 4.22

http://www.tf2outpost.com/trade/12673351 4.33

Sold below 4.66:

http://www.tf2outpost.com/trade/12673085 4 ref

http://www.tf2outpost.com/trade/12632709 4 ref

http://www.tf2outpost.com/trade/12630054 sold for filamental (4-4.66 ref)

http://www.tf2outpost.com/trade/12622664 4.33

http://www.tf2outpost.com/trade/12610240 4 ref

Sellers for 4.66:

http://www.tf2outpost.com/trade/12674354

Sold for 4.66:

http://www.tf2outpost.com/trade/12653788

http://www.tf2outpost.com/trade/12638126

http://www.tf2outpost.com/trade/12634481

http://www.tf2outpost.com/trade/12633765

http://www.tf2outpost.com/trade/12624049

http://www.tf2outpost.com/trade/12609986

Sellers above 4.66:

http://www.tf2outpost.com/trade/12624786 4.88

Sold for 5 ref:

http://www.tf2outpost.com/trade/12608363

http://www.tf2outpost.com/trade/12606910

http://www.tf2outpost.com/trade/12614257

That's all for now. Have a nice day!

Opinions are appreciated :D