Proof below (5 sales).

Re-suggesting due to polar bear's advice.

6 month-old price.

Prices used are of time of sale.

Sales:

http://www.tf2outpost.com/trade/14701956

-white vintage bills, bought softcap=~1.6 buds

http://www.tf2outpost.com/trade/14391878

-wanted 1 bud+10 keys=1.5 buds

-sold for 1 bud+4 keys+lime eas=1.4 buds

http://www.tf2outpost.com/trade/14659819

-bought steaming noble=1.6 buds

http://www.tf2outpost.com/trade/14521531

-wanted 2.1 buds

-seems to have been sold/bought for hearts ketche seen here: http://www.tf2outpost.com/trade/14574876

-1.5 buds

http://www.tf2outpost.com/trade/14539231

-bought blizzardy reggae=1.4 buds, no overpay

Current trades:

http://www.tf2outpost.com/trade/14818543

-b/o 1 bud+16 keys=~1.8 buds

http://www.tf2outpost.com/trade/12469856

-wants 1.9 buds

http://www.tf2outpost.com/trade/14803078

-b/o 2 buds

http://www.tf2outpost.com/trade/14748208

-b/o 2 buds

http://www.tf2outpost.com/trade/12075006

-b/o 2 buds

http://www.tf2outpost.com/trade/14278478

-wants 2 buds, 3 weeks

http://www.tf2outpost.com/trade/14773766

-b/o 2 buds

http://www.tf2outpost.com/trade/14771244

-b/o 2 buds

http://www.tf2outpost.com/trade/14697213

-b/o 2 buds

Classifieds:

http://backpack.tf/stats/227/5/29

-One for 2 buds

Sales: 1.4, 1.4, 1.5, 1.6, 1.6

All sales within suggested range. Low end is from 2 sales at 1.4 buds while high end is from 2 sales at 1.6 buds.