6 months old price. Multi-class.

Sale #1

http://backpack.tf/profiles/76561197997288843/#!/compare/1435215600/1451635200

http://backpack.tf/profiles/76561197987579006/#!/compare/1450684800/1450857600

http://www.tf2outpost.com/item/440,4589407124,110,5

Sold for 100 pure + KaW Pyromancer + OF Yellow Belt

x = 100 + 55 + 24.5 = 180 keys low-end

Mini on the KaW Pyromancer ~ 55 keys :

http://backpack.tf/profiles/76561198108331387/#!/compare/1454054400/1454140800 Sold for P. Fetti Mancer = 56 keys

http://backpack.tf/profiles/76561198192602363/#!/compare/1453708800/1453795200 &

http://backpack.tf/profiles/76561198108331387/#!/compare/1453622400/1453881600 Sold for Miami Bonk Boy = 53.5 keys

Mini on the Belt ~ 24.5 keys :

http://backpack.tf/profiles/76561198045889032/#!/compare/1453968000/1454054400 Blizz Ballcap + 4 keys = 25.5 keys

http://backpack.tf/profiles/76561198045889032/#!/compare/1454140800/1454227200 ~ 23.5 keys

Sale #2

http://backpack.tf/profiles/76561198055876382/#!/compare/1452499200/1452931200

http://backpack.tf/profiles/76561198124232520/#!/compare/1452758400/1452844800

http://www.tf2outpost.com/item/440,4502892872,30390,5

Sold with Bubbling Wet Works (outdated) + 15 keys + S. Spe KS Awper + 5 ref of sweets for Beams Spook Speks

x + [12] + 15 + 7 + 0.25 = 237.5 -> x = 215 - [12] = [203 keys]

Couldn't find a proper mini on the Wet Works. Anyway, sale used as middle-range.

Sale #3

http://www.tf2outpost.com/trade/27705410

http://backpack.tf/profiles/76561198065771371/#!/compare/1454659200/1454918400

Sold for Abduction Space Mann + PE Snaggle

x = 205 + 25 = 230 keys high-end

The only recent valid sale I could find on the Snaggle ~ 25 keys

http://backpack.tf/profiles/76561198081545518/#!/compare/1454659200/1454832000 Sold with a S. Spe FS Minigun for a Pro KS Aussie Minigun

Any PERTINENT (edited) comments are welcome.