Just got this taunt again for the second time 

Sale 1:

http://www.tf2outpost.com/trade/24376409 - sold for 5 buds 5 keys

http://backpack.tf/profiles/76561198089701788?time=1421395200  http://backpack.tf/profiles/76561198089701788?time=1421481600

~ 5.3 buds

Sale 2:

http://www.tf2outpost.com/trade/24333682- My sale from a while ago.

Sold for 61 keys + a spec nade kit. Buds 11.25 keys at time of sale ~ 5.6 Buds

Sale 3:

http://www.tf2outpost.com/trade/25318547 - http://imgur.com/jzBkDLE

Sold for a Strange Festive Prof Knife (with 9 keys in parts) + 1 bud + steaming swag + tf logo headwarmer

Mini for knife = http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Festive%20Knife

Solds:

54 – 53 – 55 – 50 - 34.5

= 49.3 / 1.15 / 2.38

= 18 keys / 11 keys

= 1.6 Buds

~ 5.75 = 5.8 Buds