Proof below.

Sales:

http://www.tf2outpost.com/trade/14927036

-bought for 23 keys+sweets=~1.3 buds

http://www.tf2outpost.com/trade/15097518

-b/o of 2 buds

-bought chromatic summer hat: http://www.tf2outpost.com/trade/15102160

-~less than 1 bud considering the paint doesn't count much

-outlier, a little low

http://www.tf2outpost.com/trade/15090093

-wanted ~2.3 buds

-mullet+1 bud, bought kill a watt cranium (unpriced) here: http://www.tf2outpost.com/trade/15079764

-bud: http://www.tf2outpost.com/trade/15335033

http://www.tf2outpost.com/trade/15087022

-sold for phos geisha here: http://www.tf2outpost.com/trade/15042368

-1.6 buds

http://www.tf2outpost.com/trade/15006089

-b/o of ~2.2 buds

-sold for steaming tree=~1.1 buds (5 months old price, but seems to have no recent sales and some dead trades on OP)

http://www.tf2outpost.com/trade/15373382

-sold/bought for o.f. cosa=1.2 buds

-cosa: http://www.tf2outpost.com/trade/15374042

Current trade:

http://www.tf2outpost.com/trade/15542934

-rejected o.f. robo billycock (outdated)=~1.1 buds

Sales: <1, 1.1, 1.2, 1.3, 1.6

Low end is the sale at 1.2 since the unusual in the sale at 1.1 is very outdated and 1.1 buds was rejected. Seems fair. High end is from the clear sale at 1.6. Unusual overpay and original prices used.