This is a moving target, but it's a start.

Classifieds :

http://backpack.tf/classifieds/?item=Apoco-Fists&quality=11&tradable=1&craftable=1

2 at 9 | 2 at 9,66 ref | 4 at 10 ref

Sale at 10 ref :

http://www.tf2outpost.com/trade/25376823

Sellers at 10 ref :

http://www.tf2outpost.com/trade/25403049 - Relisted from - > http://www.tf2outpost.com/trade/25392032

http://www.tf2outpost.com/trade/25387144

Sellers below 10 :

http://www.tf2outpost.com/trade/25400504 9 refs (6 hours)

http://www.tf2outpost.com/trade/25397330 9.66 refs (18 hours)

Credits to aaroncsn ( http://backpack.tf/u/76561197997116856 ) for those sellers.

Unsolds at 1 key :

http://www.tf2outpost.com/trade/25396633 - Young, but have ~70 views

http://www.tf2outpost.com/trade/25382446 - 1 day

http://www.tf2outpost.com/trade/25386702 - 1 day

http://www.tf2outpost.com/trade/25387106 - 1 day

http://www.tf2outpost.com/trade/25383824 - 1 day

http://www.tf2outpost.com/trade/25369629 - 2 days

http://www.tf2outpost.com/trade/25355199 - 3 days (They are on SCM -> http://i.imgur.com/UmGdn72.png )

http://www.tf2outpost.com/trade/25361428 - 3 days

http://www.tf2outpost.com/trade/25360342 - 3 days

http://www.tf2outpost.com/trade/25351299 - 4 days

Conclusion :

SCM shows that 1 key is too high for this. Seems like even 10 ref was high. I was right.