Purple Energy Hard Counter

#1

https://backpack.tf/profiles/76561198400207211#!/compare/1510358400/1510444800

= Purple Confetti Towering Pillar of Hats(26)

Caps at 17 key B/O -> http://www.tf2outpost.com/trade/29436409

#2

https://backpack.tf/profiles/76561198157804786#!/compare/1510963200/1511049600

= Strange Specialized Killstreak Australium Wrench(~21)

#3

https://backpack.tf/profiles/76561198389658112#!/compare/1511049600/1511222400

= 15 keys pure

#4

https://backpack.tf/profiles/76561197960701787#!/compare/1510444800/1511049600

= ~14 keys

#5

https://backpack.tf/profiles/76561198202184236#!/compare/1512864000/1514505600

http://steamcommunity.com/market/listings/440/Unusual%20Hard%20Counter

= Most likely 39.39 euros through SCM. Makes sense since it became tradeable ~1 week after the sale.

39.39/2.1=~19

Sales we have: 14,15,17,19,21.

Excluding 14 for being a quicksell and 21 for being high/probably capped at a B/O. Going with 15-19.