Pretty much all the proof is 1 day or less, with one of your .77 sellers being unbumped at all...there's over 3 pages of this if you have a listing of 50 per page, surely you can pull out more proof.

Bit of counter because all my own sales are over ten days old due to spending more time playing terraria than trading)....

http://www.tf2outpost.com/trade/13950027 2 days ago, add for 1 ref

http://www.tf2outpost.com/trade/14452761 Selling for .88, offered Blueprint Engie Misc for one. 1 day ago.

http://www.tf2outpost.com/trade/14940101 Possibly some sales at 1 ref, would have to ask Kablaaahh himself.

Some fresh counter-proof, as I bumped my trades tonight for the first time in over 5 days....

http://i.imgur.com/Yi1MYv9.png Named festive ubersaw, which the saw itself is 1.66, id say well over fair item overpay of a ref.

Sold 2 for 1 Refined

http://imgur.com/Qdbviqd,SUClAkF

http://www.tf2outpost.com/trade/15170738 quicksold for .77

http://www.tf2outpost.com/trade/15164938 sold for 1 ref

http://www.tf2outpost.com/trade/15021890 sold @ 1

http://www.tf2outpost.com/trade/15036494 sold @ 1

http://www.tf2outpost.com/trade/14296575 sold a couple for 1

http://tf2tp.com/trade.php?trade=9841182 sold for 1

Downvote.

Vintages are not fast sellers. Counterproof shows current range is fine