I'll follow all your hats baby, nobody likes trade hijackers.

2 months outdated

http://www.tf2outpost.com/trade/21632331 One tree was Traded for this (8 buds flat as it was offered. Recently updated the bakes too)

http://www.tf2outpost.com/trade/21799077 Sold for : c9 tree + Scorching bat tyro ( Tyro has no price. )

http://www.tf2outpost.com/trade/21591878 Sold for Sunbeams pillar ( 10.5 x 0.9 = 9.5 buds )

http://www.tf2outpost.com/trade/21466536 Sold for Disco bomber + Ghosts topi ( 5.9 + 1.6 = 7.5 buds )

http://www.tf2outpost.com/trade/21318611 Sold for Vivid modest + 13 keys in sweets (8.2 + 0.7 = 8.9 buds)

http://www.tf2outpost.com/trade/21304837 Sold for what looks like a Scorching tree + a bills ( 6.3 + 0.3 = 6.6 buds )

That is all the sales I could find for now, Truly all over the place.

The market right now:

http://www.tf2outpost.com/trade/21352979 Wants 8, couldn't find out what he bought it for, and it would probably be a outlier anyway.

http://www.tf2outpost.com/trade/21789929 wants 9

http://www.tf2outpost.com/trade/21895045 wants a houwar.

http://www.tf2outpost.com/trade/21946230 Couldn't Hijack himself a B/O

I'll go with 8-9 for now, as there are sales below, and also a above.