Sold for duped Searing Plasma Pyromancer's Mask (65):

http://backpack.tf/profiles/76561198154067107?time=1436252400 (July 7th)

http://backpack.tf/profiles/76561198154067107?time=1436338800 (July 8th)

~65 keys

Sold for Hellfire Cosa Nostra Cap (56) + Smoking Prussian Pickelhaube (14):

http://backpack.tf/profiles/76561198035334988?time=1436252400 (July 7th)

http://backpack.tf/profiles/76561198035334988?time=1436425200 (July 9th)

56 * .9 + 14 = 64.4 keys

~65 keys

Sold for Bubbling HazMat Headcase (75):

http://backpack.tf/profiles/76561198180484678?time=1436079600 (July 5th)

http://backpack.tf/profiles/76561198180484678?time=1436166000 (July 6th)

75 * .9 = 67.5 keys

~70 keys

Sold with Strange Specialized Killstreak Original for Strange Smoking Law + Miami Nights Hustler's Hallmark:

http://backpack.tf/profiles/76561198049267666?time=1433142000 (June 1st)

http://backpack.tf/profiles/76561198049267666?time=1433314800 (June 3rd)

Outlier.

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Duped Searing Plasma Pyromancer's Mask: