Mini for the Stare Beyond Brotherhood of Arms

Credit to Shuffle Spy and Cruppz for the help!

The Gutenkutteharen has the following sales:

https://backpack.tf/profiles/76561198212497608#!/compare/1661990400/1662163200 - 465 Keys

https://backpack.tf/profiles/76561198212497608#!/compare/1661731200/1661904000 - Can't tell the full sale

https://backpack.tf/profiles/76561198271915998#!/compare/1660953600/1661040000 - 390 Keys

https://backpack.tf/profiles/76561198253093948#!/compare/1658016000/1658102400 - GE Herald's + HG Rifleman + Iso FT Deluxe Sniper + ~120

https://mannco.store/item/440-isotope-unusual-professional-killstreak-death-deluxe-sniper-rifle-field-tested - The Sniper sold for $99.99 (59 Keys)

https://backpack.tf/profiles/76561198078306332#!/compare/1658016000/1658102400 - The Herald's sold for ~250 Keys in items

https://backpack.tf/suggestion/63aaaf212d0b41ffbc0910d7 - The Rifleman is ~72 Keys

https://gladiator.tf/time-machine?item=Amaranthine+Das+Gutenkutteharen&at=2022-07-17T15%3A31%3A00.000Z - That'll be capped at 500 Keys

390 - 465 or an average of 427.5 keys flat would work for the Guttekutenharen's price.