Got the third one

Only valid sale:

https://gyazo.com/aacf741bbae6a98add3c377bd24bfadd

https://backpack.tf/profiles/76561198838788284#!/compare/1657670400/1657756800

1000 pure + Scorching Classy Capper (mini at 163) + Burning Pirate Bandana (mini at 109) + Cloud 9 Gauzed Gaze (mini at 281) + Festive Lights Field Practice (39)

1000 + 163 + 109 + 281 + 39 = 1592, rounding up to 1600

Mini for Capper:

https://marketplace.tf/items/tf2/30893;5;u14

$299.99 on July 30th

299.99/1.84 = ~163

Mini for Bandana:

https://marketplace.tf/items/tf2/30180;5;u13

$199.99 on August 3rd

199.99/1.84 = ~109

Mini for Gaze:

https://backpack.tf/profiles/76561198049812975#!/compare/1656547200/1656633600

https://backpack.tf/profiles/76561197971866010#!/compare/1654819200/1656892800

281 pure

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https://backpack.tf/profiles/76561198042754411#!/compare/1657065600/1657843200

other sale was a cashout for an undisclosed amount, very likely a big quicksell