Stormy Storm Surgeon’s Stahlhelm

New price: 17-18 keys

[proof below]

SALE #1 = 17 keys

https://backpack.tf/profiles/76561198024925599#!/compare/1521590400/1521676800

https://i.imgur.com/PFBHIeA.png

https://i.imgur.com/SxHBG5G.png

Sold for 17 keys. Credits to Woifi.

SALE #2 = 20 keys

https://backpack.tf/profiles/76561198086948995#!/compare/1516320000/1516406400

https://backpack.tf/profiles/76561198084668937#!/compare/1511136000/1516406400

Sold for 20 keys.

SALE #3 = 18 keys

https://backpack.tf/profiles/76561198304138933#!/compare/1518652800/1518739200

https://backpack.tf/profiles/76561198047860930#!/compare/1518652800/1518739200

Sold for 17 keys + 26 ref = 18 keys.

SALE #4 = 18 keys

https://backpack.tf/profiles/76561198304138933#!/compare/1517356800/1517443200

https://backpack.tf/profiles/76561198267869841#!/compare/1517356800/1517443200

Sold for 17 keys + 17 ref = 18 keys.

SALE #5 = invalid

https://backpack.tf/profiles/76561198111049983#!/compare/1518566400/1518652800

Bulk.

SUMMARY

Sales: 17 / 17 / 18 / 20 keys

Sellers: 17 keys

https://gyazo.com/f68764275f9f1d0c4c856df1075188bb

Due to the fact that the 20 key sale is quite sold and countered by a relatively matured seller at 17 keys, I’m excluding it. Going with 17-18 keys.