Oh my.

http://www.tf2outpost.com/trade/23418571 ~ Sold for a DBD Grimm = 3.5 * 0.9 = 3.2 buds

http://www.tf2outpost.com/trade/17842119 ~ Offered on a GE Tin Gallon = 3 buds

Mini for Tin Gallon

http://www.tf2outpost.com/trade/22240577 ~ Sold alongside a Scorching Chieftain's for a Knifestorm Bear Necessities = 9 - 6 = 3 buds

Mini for Chieftain's

http://www.tf2outpost.com/trade/22295899 ~ Sold for 5 buds + Planets Drill Hat = 6 buds after overpay

Mini for Drill Hat

http://www.tf2outpost.com/trade/23371772 ~ Sold for 18 keys = 1.1 buds

Feel free to counter or support my proofs.