Resuggest as per Lemon's wishes - https://backpack.tf/suggestion/64fbe78971c8fbdc0d0d0032

295 keys pure

https://backpack.tf/item/13501542612

https://backpack.tf/profiles/76561198067526679#!/compare/1694044800/1694217600

https://imgur.com/a/UY5gQEe

https://backpack.tf/profiles/76561198057412106#!/compare/1697846400/1697932800

Bulk backpack sale

https://backpack.tf/profiles/76561198322957656#!/compare/1693267200/1693526400

Beams Headsplitter(332.5) + Floppin' Frenzy Taunt: Surgeon's Squeezebox(5.5) + Blooming Beacon RPS(12) + 28 keys

~378

Mini on RPS:

https://marketplace.tf/items/tf2/1110;5;u3117

23.95$ sale on September 2nd 2023

Key price that day was ~2.02

~11.85, rounding to 12

Mini on squeezebox

https://gladiator.tf/sales?item=Floppin%27%20Frenzy%20Taunt:%20Surgeon%27s%20Squeezebox&at=2023-11-16T13:30:00.633Z

3 buys at 4 keys 4-6ref, 1 sale at 7 key

4-7 keys, taking average of 5.5

Mini on headsplitter (Thanks to Russell's suggestion)

https://backpack.tf/item/13565463047

https://backpack.tf/item/4228773309

https://backpack.tf/profiles/76561198064724507#!/compare/1695427200/1695513600

Beams HS + 275 for Ancient Codex Captain Space Mann(607.5)

= 332.5

Micro on CSM:

https://backpack.tf/suggestion/653d23691e9dcd4c330c7f6d

~607.5

Buyout was 325 keys, capping there https://gladiator.tf/time-machine?item=Forever%20And%20Forever!%20Patriot%20Peak&at=2023-08-29T23:49:48.000Z

295-325