Sold for Morning Glory Das Maddendoktor (5.8):

http://backpack.tf/profiles/76561198092375044?time=1422625677

http://backpack.tf/profiles/76561198092375044?time=1422691200

5.8 * .9 = 5.22 buds

Rounded to 5.2 buds

Sold with ~1 key in sweets (1/13) for Massed Flies Brainiac Hairpiece (6.5):

http://backpack.tf/profiles/76561198149688091?time=1421929296

http://backpack.tf/profiles/76561198149688091?time=1422000000

6.5 * .9 - 1/13 = 5.7731 buds

Rounded to 5.8 buds

Sold for Something Burning This Way Comes Pampered Pyro + Something Burning This Way Comes Pyro's Boron Beanie (2.2):

http://backpack.tf/profiles/76561198105949351?time=1421562780

http://backpack.tf/profiles/76561198105949351?time=1421654400

Sold for Massed Flies Bonk Boy (5) + Massed Flies Brigade Helm (1.3):

http://backpack.tf/profiles/76561198077323127?time=1420617600

http://backpack.tf/profiles/76561198077323127?time=1420704000

(5 + 1.3) * .9 = 5.67 buds

Rounded to 5.7 buds

Flies Bonk:

http://www.tf2outpost.com/trade/24502189

Sold for Poisoned Shadows Stout Shako (4.2):

http://backpack.tf/profiles/76561198128740633?time=1420654789

http://backpack.tf/profiles/76561198128740633?time=1421049600