Well at least now that the End of the Line update is out, Halloween unusuals will be easier to price...

Recent sales:

Sale 1:

http://www.tf2outpost.com/trade/23998920 http://backpack.tf/profiles/76561198060609260?time=1417766400 to http://backpack.tf/profiles/76561198060609260?time=1417852800 Sold in ~14 keys pure, a Bills hat, and ~4 keys in items.

Final sale value: 21 keys~1.5 buds

Sale 2:

http://www.tf2outpost.com/trade/23875463 http://backpack.tf/profiles/76561198076469786?time=1416902400 to http://backpack.tf/profiles/76561198076469786?time=1416988800 Sold for a Vivid Plasma Big Chief (2 buds, not oudated at the time of sale, and no recent sales I could find on it, so counts as 2 buds, seems alright considering the seller wanted 1.7-3 buds), after overpay 1.8 buds

Final sale value: 1.8 buds

Sale 3:

http://backpack.tf/profiles/76561198076469786?time=1417593600 to http://backpack.tf/profiles/76561198076469786?time=1417766400 Sold with an Anth.Cyborg Stunt (Unpriced, not enought sales to make a mini yet) and a Strange Spec. KS Festive Minigun for Arcana Bonk helm

Final sale value: N/A

With a sale at 1.5 and at 1.8, 1.5 to 1.8 seems good, and this seems about a normal price to other Mongolians too, considering that the Stare from Beyond is worth 1.6 to 2.2.