Proof below.

10 month-old price.

Sales:

http://www.tf2outpost.com/trade/15552604

-wanted 4 buds

-noir+sweets bought cloudy billycock (3.3 outdated) here: http://www.tf2outpost.com/trade/15616327

-taking this as 3.3 buds

http://www.tf2outpost.com/trade/14798150

-wanted 4 buds

-noir+sulph nickel (unpriced) seems to have bought this scorching front runner: http://www.tf2outpost.com/trade/12956336

-nickel: http://www.tf2outpost.com/trade/12115164

http://www.tf2outpost.com/trade/15513979

-seems to have sold for black max's (2.47)+black summer hat+sweets

-max's: http://www.tf2outpost.com/trade/15569032

-summer hat+sweets: http://www.tf2outpost.com/trade/15552542

-~3.3 buds

http://www.tf2outpost.com/trade/15489251

-seems to have sold for this black max's+1 bud seen here: http://www.tf2outpost.com/trade/15512404

-3.5 buds

http://www.tf2outpost.com/trade/15577191

-wanted 4 buds

-noir+peace tyro (2.4) bought dbd raincatcher (3.8): http://www.tf2outpost.com/trade/14575947

-1.4 buds wut

-outlier

Current trades:

http://www.tf2outpost.com/trade/14921127

-b/o of of 4 buds, 1 month old

-no notable offers

http://www.tf2outpost.com/trade/7269047

-part of a set, year old (only counting recent offers on the hat itself)

-offer of stormy beak=3.4 buds

http://www.tf2outpost.com/trade/15700099

-b/o of 4 buds

-no offers yet

http://www.tf2outpost.com/trade/15579442

-1 week old

-retracted offer of 3.8 buds, seems a little too high+retracted, not seeing any other sale or offer close to that

Sales: 1.4, 3.3, 3.3, 3.5

Low end from 2 sales at 3.3 and high end from sale at 3.5. 3.8 doesn't seem to fit here, not including that. Unusual overpay and original prices used.