Thank you Xergoyf for the additional proof!

Traded for a Burning Flames Shutterbug + 1 Mann Co. Supply Crate key

https://backpack.tf/profiles/76561198059098316#!/compare/1602115200/1602201600

https://backpack.tf/profiles/76561198382115458#!/compare/1602028800/1602201600

There is another sale on the Mitre, 26 pure:

https://backpack.tf/profiles/76561198382115458#!/compare/1602028800/1602201600

Shutterbug mini:

https://stntrading.eu/item/tf2/Unusual+Burning+Flames+Shutterbug

https://backpack.tf/item/8070112122

37 sales + tradeback? nothing tracable.

https://backpack.tf/profiles/76561198002757046#!/compare/1596067200/1596153600

30 pure

https://backpack.tf/profiles/76561198844570195#!/compare/1600387200/1600992000

Searing Hunter

use there

https://backpack.tf/profiles/76561198119163692#!/compare/1600992000/1601078400

Smoking Wrap-up + 1

use there

https://backpack.tf/profiles/76561198137561268#!/compare/1601856000/1601942400

https://bot.tf/stats/listings/4EZEG8RQ - tomi is 14

https://bot.tf/stats/listings/4RDG52QE - sniper is 14

= 28

https://backpack.tf/profiles/76561198137561268#!/compare/1602201600/1602374400

28 pure

We can take 28 - 30 for the mini, so that sale still comes out to 30 for the mitre.

26 - 30 should work here.