8 months old price

http://www.tf2outpost.com/trade/12655255

B/o 3.5 buds

http://www.tf2outpost.com/trade/15087796

Sold for Scorching Pencil (3.1 buds, see other suggestion)

http://www.tf2outpost.com/trade/14835820 - B/o 3.5 buds

Sold for Phos Buckaroos (no price) and maybe some sweets

http://www.tf2outpost.com/trade/14750363

Sold Buckaroos + Bubbling Ushanka (1.1-1.4) for PE Crown (4.4-5 buds) + Sweets

= 3.3-3.6 buds (sale happened between 3 and 4 months ago)

http://www.tf2outpost.com/trade/14531739

Sold for Hearts Handle (1.2-1.5 buds) + Nuts Big Country (0.9-1.1 buds) = 2.1-2.6 buds, outlier, too old.

No other 'recent' sales.