A year old price

Sale 1:

http://www.tf2outpost.com/trade/24567659#latest

sold for 2 buds, 3 keys, a strange professional killstreak degreaser and a strange specialized killstreak flare gun

Trade occured on the 11th of January, buds were 14.5 keys: http://backpack.tf/vote/id/54a8aa5cb88d88b3748b4a3d

Proof: http://postimg.org/image/qjr4t2tov/

thus 2+0.2 + 0.9(1+0.07)

3.16 rounded up to

3.2 buds

Strange professional killstreak degreaser mini:

Multiple sales for around 25 euros on the SCM, thus taking it as a bud

http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Degreaser

Strange specialized Killstreak flare gun

Multiple sales for between 2-2.40 euros, thus taking it as a key

http://steamcommunity.com/market/listings/440/Strange%20Specialized%20Killstreak%20Flare%20Gun

Sale 2:

http://www.tf2outpost.com/trade/24775800

backpack before: http://backpack.tf/profiles/76561198076084824?time=1423123200

backpack after: http://backpack.tf/profiles/76561198076084824?time=1423209600

1:1 with a searing plasma tyrant's helm (3.35)

3.35 x 0.9 =

3.01 rounded down to

3 buds