2 exist, 1 hasn't moved in over a year.

http://www.tf2outpost.com/trade/24234649

PE Fukaamigasa + Hearts Pith + Bliz Snaggle

(4.25) + (1.8) + (1) = (7.1)*(0.9) = 6.3 buds

http://www.tf2outpost.com/trade/23839570

http://backpack.tf/item/1650581331

Sold for Overclocked TC

7*0.9 = 6.3 buds

Fukaamigasa Mini ~4.25 buds

http://www.tf2outpost.com/trade/24254240 - Sale at 4

http://www.tf2outpost.com/trade/24195703 - Sale at 4.5

Pith mini ~1.8 buds

http://www.tf2outpost.com/trade/24676281 - Storm Cold killer for Pith + Horace.

Cold killer mini ~2.5 buds

http://www.tf2outpost.com/trade/24364363 - willing to take 2.5.

http://www.tf2outpost.com/trade/24663207 - Several adds for a QS at 2.2.

Snaggle Mini ~1 bud

http://www.tf2outpost.com/trade/24628604 - Seller at a bud.

http://www.tf2outpost.com/trade/24689227 - Seller at a bud.

Team Captain Mini ~7 buds

http://www.tf2outpost.com/trade/24675403 - 7 buds b/o, lower than current price.

I hate mini's now.