Sale 1:

https://backpack.tf/profiles/76561198210096939#!/compare/1617062400/1617235200

https://backpack.tf/profiles/76561198100877472#!/compare/1616976000/1617062400

Bulk.

Sale 2:

https://backpack.tf/profiles/76561198100877472#!/compare/1617148800/1617235200

https://backpack.tf/profiles/76561198403404710#!/compare/1617148800/1617235200

Sold for 51 keys + Strange Balloonihoodie (https://marketplace.tf/items/tf2/30928;11 - $35.99 / $2.00 = 18.00 keys) + Strange Robin Walkers (https://gladiator.tf/sales?item=Strange%20Robin%20Walkers - 10 keys.) - Both of them has an outdated price lower than buy orders, and not enough sales to update them, so just taking a recent sale and using that.

= 79 Keys.

Foamy the Fearsome: https://backpack.tf/suggestion/60d31e33381cd83469236e5a#comment-6111195ce6e628559c17545d

https://backpack.tf/profiles/76561198163549413#!/compare/1627516800/1627603200

https://backpack.tf/profiles/76561198167022610#!/compare/1627603200/1628208000

With 10 for beams brigade, BO was 75 and should cap

https://gladiator.tf/listings/6103cb3db81d0101c8b9809d

https://backpack.tf/profiles/76561198070213843#!/compare/1627430400/1627516800 Possibly also 75 - the keys dont match in histories, and following the other profiles does not lead to a match in anything.

This could then be 75-79