Resuggesting with some new information about the previous low end sale to make it an outlier.

Sold for 13 (mix of buds and keys)

http://www.tf2outpost.com/trade/20737536

Sold for Smoking Kiss King (~5.1) + Disco Beat Down Samur-Eye (~4.8) + Cloud 9 Conjurer's Cowl (~2.4) = ~12.3

http://www.tf2outpost.com/trade/21599837 (Crones)

http://www.tf2outpost.com/trade/19339527 (Kiss king)

http://www.tf2outpost.com/trade/19734387 (Cowl)

http://www.tf2outpost.com/trade/21115219 (Samur-Eye)

Sold alongside a Nuts and Bolts Stash (~2.6) for a Spellbound L'Inspecteur(~3) and a Purple Energy Reggaelator (~4.7 see http://backpack.tf/vote/id/53ee76574cd7b86d7b8b4a77 ) + ~2 keys in sweets = ~5 for Crones, outlier

http://prntscr.com/4eq8my

http://www.tf2outpost.com/trade/22010084 (Crone + Stash)

http://www.tf2outpost.com/trade/22028435 (Reggae + L'Inspecteur)

Offered alongside 2 buds (and sold for) a Stormy 13th Hour Reggaelator (~10) = ~8 for Crone, outlier

http://www.tf2outpost.com/trade/21930646

http://i.imgur.com/mN5RMG2.png

Mini for C9 Cowl: = ~2.7

Offered on (and sold for) a Burning Flames Football Helm (~2.7 buds)

http://www.tf2outpost.com/trade/20958792

http://backpack.tf/profiles/76561198067973530?time=1404630000 (None of the currency afterwards matches up, not even with the exact time stamp from item history, so nothing was likely added)