Using 1 sale for the reasons below

Valid sale

http://www.tf2outpost.com/trade/28269849 B/O 55

http://backpack.tf/profiles/76561198020051289#!/compare/1468800000/1468886400

Sold for PE Big Elfin (outdated) + PE Tin Topi -> 55 keys flat price

Mini on Big Elfin ~ 34.5 (edited at 34)

- http://www.tf2outpost.com/trade/28249611

http://backpack.tf/profiles/76561198020051289#!/compare/1467417600/1467676800 capped at 34

- http://www.tf2outpost.com/trade/28227281

http://backpack.tf/profiles/76561198113406714#!/compare/1465084800/1465171200 capped at 35

- http://backpack.tf/profiles/76561198113406714#!/compare/1465603200/1465689600 outlier

(edit : saw the clean unsold at 33 in classifieds after making the suggestion, could make the price 1 key lower, minor change, leaving as it is)

Other sales

http://backpack.tf/item/4070075094

Succession of QS, never stays more than 3 days in bp. I've checked them all, they don't exceed 40 keys each, outliers regarding the offer here http://www.tf2outpost.com/trade/28269849 from Dat Kitty + the sale above.

Any pertinent comments are welcome.