Redone after consulting Shuffle's advice.

Sale One: https://backpack.tf/profiles/76561198077555267#!/compare/1589932800/1590019200

Chiroptera Venenata Bloke's Bucket Hat (In-date 120) + Green Energy Blast Defense + Purple Energy Killer Kabuto + Strange Professional KS Purple Range Sniper Rifle (Minimal Wear) + 40 Keys

Mini for the GE Blast Defense: https://marketplace.tf/items/tf2/30863;5;u9

Sold for $64.99 on April 18. Keys were $1.78 that day. 64.99 / 1.78 = 36.51, rounding to 36.

Mini for the PE Killer Kabuto: https://marketplace.tf/items/tf2/152;5;u10

Sold for $200 on May 12. Keys were $1.9 that day. 200 / 1.9 = 105.26, rounding to 105.

Mini for the Strange Pro KS Purple Range Sniper Rifle: https://backpack.tf/profiles/76561198002757046#!/compare/1589932800/1590019200

Sold for 21 keys to Erik

120 + 105 + 36 + 21 + 40 = 322, CAPPED AT 275

B/O: https://imgur.com/a/Xuiovwd

Sale Two: https://backpack.tf/profiles/76561198407541175#!/compare/1590624000/1590796800

Sold for Sunbeams Pencil Pusher + GBH Hallmark

Beams Pusher has suggestion @ 200-215, was told to take 210 by Shuffle for this suggestion.

Mini for the Hallmark: https://backpack.tf/profiles/76561198158206236#!/compare/1586217600/1586304000

Sold for Sunbeams Head Hedge + 60 keys + Genuine Three-Rune Blade (?) + Scotsmann's Stagger (?) + Mannrobics (?)

Tried going through the histories of the items with question marks but they are inconsistent with the keys' histories. Regardless, the sale should cap at 300.

Mini for the Hedge: https://marketplace.tf/items/tf2/30978;5;u17

Sold for $58 on May 5th, keys were $1.88. 58 / 1.8 = 32.22, rounding to 32.

210 + 32 + 60 = 302, Capping at 300 due to B/O

B/O: https://webcache.googleusercontent.com/search?q=cache:iN1680Ek2CwJ:https://backpack.tf/stats/Unusual/Your%2520Worst%2520Nightmare/Tradable/Craftable/73+&cd=1&hl=en&ct=clnk&gl=us

Sales at 275 and 300