Looks like its slowly crawling back to where it was after that hoarding incident which made it rise to 15-17 buds.

Sold for duped haunted ghosts stash ~ 12.9 buds:

http://www.tf2outpost.com/trade/24212135 - TC

http://www.tf2outpost.com/trade/23885458 - stash

Mini for stash:

http://www.tf2outpost.com/trade/24155379 - Offered on a burning gallon + 4 buds ~ 14.3 buds

Sold for ghosts hallmark (3.8) + vivid modest (6.2) + max (3.3) + 10 keys (0.7) ~ 14 buds:

http://www.tf2outpost.com/trade/24267663

Mini for hallmark:

http://www.tf2outpost.com/trade/24487586 - cloud 9 fruit shoot (1.7) + hearts glengarry (2.5)

Unusable sales:

Quicksold for 9 buds:

http://www.tf2outpost.com/trade/24265527

Quicksold for 10.45 buds:

http://www.tf2outpost.com/trade/24947045

looks like it sold for a burning pyromancer's hood:

http://www.tf2outpost.com/trade/24706187

Sold for max's head + KaW anger + BMOC:

http://backpack.tf/profiles/76561198101057741?time=1422518400 - before

http://backpack.tf/profiles/76561198101057741?time=1422604800 - after

B/Os:

http://www.tf2outpost.com/trade/24224974 - 14 buds

Rounding up to 13-14 buds