Resuggesting due to the price of refined changing the high end and suggestions to bump the low end.

Current price is 6 months old. Price still holds up for the most part.

http://www.tf2outpost.com/trade/8312175

Notbale offers of $50 (1.5 buds+/-), a Ghost Toque (2-2.5), a Stormy Milkman + crate 40 (1.7-2), and a Orb Fire HWNN + 1 bud (2.3-2.8).

Owner never sold it and hasn't had it on the market since.

Best offer was the Orb Fire HWNN + 1 bud (2.3-2.8) ~ 2.3 pure. Considering outlier due to lack of offers around this price.

http://www.tf2outpost.com/trade/9136444

Sold for a Max's.

He had original bought it for a Orb Fire YWN + Portal 2 Box (1.6-1.9) and got 3 keys back which would put the value at about 1.5 buds pure.

http://www.tf2outpost.com/trade/9198947

Sold for a Orb Fire Tyrolean + a black vintage Brigade Helmet (1.7-2) ~ 1.6 buds pure

http://www.tf2outpost.com/trade/9030084

Offered a Bubbling Dead Cone + Bubbling Hat W/O a Home (1.5-1.8).

Sold for a Blizzard Pug + 1 bud + Purple and Orange Paint (1.5-1.6 buds +)* ~ 1.4 buds pure.

http://www.tf2outpost.com/trade/8822463, http://www.tf2outpost.com/trade/8726201

Notable offers of Smoking Luchadore (1.6-2), a Planets Luchadore (1.7-2), Bubbling Fruit Shoot + Peace Rubber Glove (1.6-1.7).

Sold it plus a Lime KE + Nametag + Desc tag + S. Shotgun for a Blizzard Surgeons Stahlhelm (1.9-2.4) ~ 1.7 buds pure.

http://www.tf2outpost.com/trade/8710226

Appears to have sold it for a Hearts Sutlan (1.7-2.1) ~ 1.6 buds pure

*Price on the Pug is outdated but initial search on OP suggests its about the same