Not the best at unusual pricing, so give me some help aight ?

http://www.tf2outpost.com/trade/12197839 selling for 3 buds, 5 days, no offers

http://www.tf2outpost.com/trade/5850804 oldest trade ever ? 8 months old xD was selling for 3

http://www.tf2outpost.com/trade/11546811 sold probz for blizz samureye (1.65*.9 = 1.5) + nutz company man ( 1.3*.9 = 1.1) +big kill (http://backpack.tf/id/76561198059592590?time=1371711600 before he sell it) (http://backpack.tf/id/76561198059592590?time=1372489200 after he sold it, big kill history show demo as previous owner)

so 1.5+1.1+(13.5*.9) = 12 keys which is 0.52 buds

so 2.6+0.5=3.1 buds

http://www.tf2outpost.com/trade/11500873 sold for http://www.tf2outpost.com/trade/11713503 stormy storm cannon ball ( 3.1*.9 = 2.8)

So, lowest sale was for 2.8 in unusuals and highest was 3.1 in mixed