Year outdated

63 in existence (holy mother of Joseph... most common Unu?). 3 on market (1 is gifted, others are looking for offers).

Sale #1

http://www.tf2outpost.com/trade/26743680 B/O 18 keys

http://backpack.tf/profiles/76561198073728854?time=1439535600 -> http://backpack.tf/profiles/76561198073728854?time=1439622000

Sold for Aussie Sticky + 2 keys -> 17*0.9 + 2 = 17 keys high-end

Sale #2

http://www.tf2outpost.com/trade/26781877 B/O 21 keys

http://backpack.tf/profiles/76561198071140072?time=1440486000 -> http://backpack.tf/profiles/76561198071140072?time=1440572400

Sold for Pro S. Blutsauger + Planets Goggles (histories doesn't match but sale was confirmed by the seller http://i.imgur.com/C6bKzJe.png )

x = (14 + 4.75)*0.9 = 17 keys high-end

(Note : I kept the actual price of Ze Goggles, recent sales are unclear)

Mini on the Blutsauger (hypno-beam, low-tier effect) ~ 4.5 - 5 keys :

http://steamcommunity.com/market/listings/440/Strange%20Professional%20Killstreak%20Blutsauger Average ~ 10€ (4.5 keys)

Lowest classifieds at 5 keys

Sale #3

http://www.tf2outpost.com/trade/26822047 "QS at 18 keys"

http://backpack.tf/profiles/76561198139568946?time=1440313200 -> http://backpack.tf/profiles/76561198139568946?time=1440399600

Sold for 16 keys pure after 5 days low-end

Sale #4

http://backpack.tf/profiles/76561198098752613?time=1439190000 -> http://backpack.tf/profiles/76561198098752613?time=1439362800

Sold for 16 keys pure (IDs of the keys are matching) low-end

Any pertinent comments are welcome.