1 of 2, 1 in a collector's bp.

http://www.tf2outpost.com/trade/12614338 - bought by http://www.tf2outpost.com/user/25014

Sold for 55 keys pure

( http://backpack.tf/id/76561198043661603?time=1373612400 and http://backpack.tf/id/76561198043661603?time=1373526000 , unusual was bought on that day and difference of keys stored is of 55 -same as C/O- not incluiding the 2 new items that replaced the first few keys )

~2.5 buds

http://www.tf2outpost.com/user/157739

Offers of 2-3 buds? Sold for a TF Logo Dixie (~15 keys after overpay)

http://www.tf2outpost.com/trade/12809561

Sold for a Vivid Magistrate's Mullet (~1.8 buds after overpay)

The third owner didn't put up any trade for it, and it's now in a private backpack.

Sold for 30.44€ - http://puu.sh/3IbDi.png - without fees (~$41 without fees or $46 with fees, ~1.1 buds)

The 0.7 and 2.5 bud sales are outliers, so a smaller range would be more suitable.