2 of these in existence, one is on outpost and has never sold, and the other has sold many times

http://www.tf2outpost.com/trade/13912070

Sold for P. Fetti Slug(~2.3)

No sweets were added on either side, some keys disappeared from the sellers bp, but they didn't go to the buyer

http://www.tf2outpost.com/trade/13910836

Sold for Terror-Watt Timeless Topper(no price)

http://www.tf2outpost.com/trade/13857087

Sold for Planets Stuntsman(~13 keys) + 26 keys + white bills + black bills = ~2.5 buds

http://www.tf2outpost.com/trade/13313594

Sold with O. Fire Cannonball(~1.5) + Smoking Tyrolean(~1.4) + 2 buds for Secret Tipplers Tricorne(~8.8 mid price)

8.8 - 1.5 - 1.4 - 2 = ~3.9 on Hermes - outlier

Proof: http://backpack.tf/id/76561198067344376?time=1376550000 -> http://backpack.tf/id/76561198067344376?time=1376722800

http://www.tf2outpost.com/trade/11920433

Looks to have sold with Secret Charmers for Aces Brotherhood(no price)

These are all the sales from within the last month on this hat.