Resuggesting with a new range.

Sold for a Burning Flames Industrial Festivizer(55.5 Keys, round to 56)

http://backpack.tf/profiles/76561197991208302#!/compare/1487548800/1487808000

Sold for a Tesla Coil Razor Cut(55 Keys)

http://backpack.tf/profiles/76561198125791160#!/compare/1488412800/1488499200

Unsold for a while at 45.

http://www.tf2outpost.com/trade/28881116

https://backpack.tf/item/3268902308

Unsold at 42. I don't remember the correct way to proof from the classifieds, but here's links to a screenshot of the classifieds, the seller's profile, and the item history.

https://i.imgur.com/t48l8Ql.png

https://backpack.tf/item/4215451957

https://backpack.tf/classifieds?steamid=76561197969363424&page=2

42-56.

Credits to Mindacos for finding the proof and Moose / polar for mentioning the sellers. All I did was make the actual suggestion.