I've updated so many of these now.

Sale 1 [outlier]

http://backpack.tf/profiles/76561198074945991?time=1421913600 - after

http://backpack.tf/profiles/76561198074945991?time=1421827200 - before

Sold with a miami master's yellow belt for a hearts towering pillar. 6.8 - 4 = ~2.8 buds. ~2.5 buds after overpay

Mini for pillar: http://backpack.tf/stats/Unusual/Towering%20Pillar%20of%20Hats/Tradable/Craftable/19 -

Creds to Polar:

http://www.tf2outpost.com/trade/22971731 - another sale at 6

http://backpack.tf/vote/id/5479b975b98d88a1678b4899 - ~7.1 buds.

Taking as ~6.8 buds.

Mini for belt: http://backpack.tf/stats/Unusual/Master's%20Yellow%20Belt/Tradable/Craftable/61 - 2 on sale for 4 buds.

Sale 2:

http://www.tf2outpost.com/trade/24827005 - Sulfurous trilby ~4.1 buds after overpay.

Mini: http://www.tf2outpost.com/trade/24631980 - wants 4.5 buds.

Sale 3:

http://www.tf2outpost.com/trade/24800915 - Sold for a misty pith. ~a bit less than 4.1. Hard to trace.

Done.