The last accepted price for this was 5 months ago, and judging by this link on Outpost, that price is inaccurate. I know it is the only one on Outpost, but as the . http://www.tf2outpost.com/trade/8544552

A Green Confetti Noble Assessment of Hats (1.3-1.7 buds according to this website) appears here. Reinforcing that offer, and not basically going of the overpay for the hat, are 2 separate offers of 1.5 buds pure (originally) and 50 keys, calculating to roughly 1.8 buds. based on the high value for buds.