http://www.tf2outpost.com/trade/20948725 - Sold for an Orbiting Fire Troublemaker's Tossle Cap. Not applying overpay as the Brigade was offered on it. 2.1 buds.

http://www.tf2outpost.com/trade/20791095 - Sold for a Steaming Master's Yellow Belt + Gentle Manne's Service Medal + White Bill's Hat. As the hat was offered on the Belt, no overpay is applied. 1.7 + (7 + 5 / 18.5 = .65 rounded) = 2.35 rounded to 2.4 buds.

http://www.tf2outpost.com/trade/20911887 - Sold for a duped Level 1 Max's Severed Head. 10% overpay means the Max comes out to 2.7 buds. Confirmation that it's duped here: http://backpack.tf/item/1312896267