something go wrong in the last suggestion of this hat, since the previous sale 1 compare link been set a wrong date and missing other sale, then resuggesting

sale 1

https://backpack.tf/profiles/76561198066813088#!/compare/1542758400/1542844800

https://backpack.tf/profiles/76561198282372085#!/compare/1542758400/1542844800

snapshot of this sale: https://gyazo.com/35b0dd3cfa6ed62a11ea0a84798648d8

Sulphurous Tyrantium Helmet sold with ks aussie scattergun + 8 pure keys for SF bonk helm

better be used on the bonk

sale 2

https://marketplace.tf/items/30014;5;u64

on Nov 21, key price at 1.72

92.66/1.72, round to 56

sale 3

https://backpack.tf/profiles/76561198192602363#!/compare/1543881600/1543968000

https://backpack.tf/profiles/76561198333542741#!/compare/1543708800/1544054400

sold for Tesla Coil Toadstool Topper(33, indate) + strange pro ks festive minigun(14) + field-tested Isotope ks Cardboard Boxed scattergun (buyorder at 20) + 3 pure keys

sum=33+14+20+3=70