Sold with ~1.3 keys (1.3/12) in sweets for Miami Nights Glengarry Bonnet (1.3):

http://backpack.tf/profiles/76561198049980958?time=1424969740

http://backpack.tf/profiles/76561198049980958?time=1425110400

1.3 - 1.3/12 = 1.1917 buds

Sold for duped Knifestorm Sultan's Ceremonial (3.5?):

http://backpack.tf/profiles/76561198002389482?time=1424722011

http://backpack.tf/profiles/76561198002389482?time=1424851200

Sold for Molten Mallard Base Metal Billycock (1.8):

http://www.tf2outpost.com/trade/25015024

http://backpack.tf/profiles/76561198071144937?time=1423571010

http://backpack.tf/profiles/76561198071144937?time=1423641600

1.8 buds

Presumably offered.

Sold for Cloud 9 Towering Titanium Pillar of Hats (2.2) + ~1.5 keys in sweets (1.5/12):

http://backpack.tf/profiles/76561198071144937?time=1423296000

http://backpack.tf/profiles/76561198071144937?time=1423382400

(2.2 + 1.5/12) * .9 = 2.0925 buds

Rounded to 2.1 buds

Sold with Memory Leak Grenadier's Softcap(2.6) for Circling Heart Buccaneer's Bicorne (4.4) + 4 keys (4/13)+ ~2 keys in sweets (2/13):

http://backpack.tf/profiles/76561198123368951?time=1422604800

http://backpack.tf/profiles/76561198123368951?time=1422708525

4.4 + 4/13 + 2/13 - 2.6 = 2.2615 buds

Sale is complicated and Grenadier's Softcap is way overvalued at 2.6. Neglecting this sale.

Sold for Circling Peace Sign Salty Dog (1.8) (2 years outdated):

http://backpack.tf/profiles/76561198095177451?time=1422604800

http://backpack.tf/profiles/76561198095177451?time=1422703733

Using this to price Peace Salty Dog.

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Mallard Metal Billycock:

http://backpack.tf/vote/id/54f2a52fb98d88146c8b4762