Sale 1

https://marketplace.tf/items/339;5;u67

Sold for 250$ on the 21th December

Keys that day were 1.66$

= 150.60 Keys, rounding to 151 Keys.

Sale 2

https://backpack.tf/profiles/76561198046479972#!/compare/1541462400/1541548800

https://backpack.tf/profiles/76561198048017265#!/compare/1541462400/1541548800

Sold for a Powersurge Rack (142) and 20 Pure= 162

Mini Rack:

https://backpack.tf/suggestion/5c32118bcf6c754c073c05cc

142 Keys

Sales: 151, 162

Can't see a clear outlier and Rackmini has pure sales used for the range. Not rounding.

https://backpack.tf/profiles/76561198068064085#!/compare/1547078400/1547164800

https://backpack.tf/profiles/76561198061440669#!/compare/1547078400/1547164800

Sold with a Eldritch Opening Hellmet for a Abduction Spaceman. Bulky sale, I would exclude this.