This is way out of date.

Rare + most on market are killstreak/non-numbered (i.e. glitched lowcrafts)

http://backpack.tf/classifieds/?item=Apoco-Fists&quality=6&tradable=1&craftable=1

4 listed (same seller) at 3.66, 1 at 5 ref, rest are killstreak.

I listed mine on classifieds for 3 ref and sold within the hour (got two trade offers for it) - http://puu.sh/fYs6x.png

http://www.tf2outpost.com/trade/25035689 - sold for 3 w/o bump (killstreak)

http://www.tf2outpost.com/trade/25069770 - quicksold for 2.66

http://www.tf2outpost.com/trade/25073873 - 2.33 within an hour

http://www.tf2outpost.com/trade/24975395 - 2.33, none in stock

others for sale-

http://www.tf2outpost.com/trade/25058316 - 3 ref (<1 day)

http://www.tf2outpost.com/trade/24951717 - offers

http://www.tf2outpost.com/trade/25024465 - offers

Could probably be higher, but still current value is way off.

Also, just as a bonus:

http://steamcommunity.com/market/listings/440/Killstreak%20Apoco-Fists%20Kit - killstreak kits being valued at 0.10

http://steamcommunity.com/market/listings/440/Killstreak%20Apoco-Fists - killstreak apocofists selling at $1-1.10;

non-killstreak apocofists roughly valued at $0.90-$1 on scm, which is roughly 5-6 ref (or 5ish after taxes, which is still way above listed value)