https://backpack.tf/profiles/76561198339336870#!/compare/1584576000/1584748800

https://backpack.tf/profiles/76561198056681334#!/compare/1584662400/1584748800

Sunbeams Gentleman's Gatsby + 2 keys

https://bot.tf/stats/listings/Y3W5ZEG6 47 key buyout

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https://backpack.tf/profiles/76561198056681334#!/compare/1584662400/1584748800

https://backpack.tf/profiles/76561198110956101#!/compare/1584662400/1584748800

Added 4 keys for Stormy Storm Demoman's Fro, Pro KS Aus Scattergun (39 keys)

https://bot.tf/stats/listings/M0ODL39Q 55 key buyout

https://backpack.tf/profiles/76561198382096007#!/compare/1581379200/1581552000

13 keys + 20 refined for the demoman's fro

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https://backpack.tf/profiles/76561198062420532#!/compare/1581638400/1581984000

https://backpack.tf/profiles/76561198170157259#!/compare/1580256000/1581984000

https://marketplace.tf/items/tf2/605;5;u58

$105 = 59 keys

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https://backpack.tf/profiles/76561198267189538#!/compare/1581206400/1581292800

https://backpack.tf/profiles/76561198298597700#!/compare/1581206400/1581292800

42 keys

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https://backpack.tf/profiles/76561198011321852#!/compare/1580083200/1580256000

https://backpack.tf/profiles/76561198006295346#!/compare/1580169600/1580256000

Looks like 32 keys, but it's under buyers, likely that something is missing

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https://backpack.tf/profiles/76561198006295346#!/compare/1581552000/1581638400

https://backpack.tf/profiles/76561198083134207#!/compare/1581552000/1581638400

Unknown amount of keys

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https://backpack.tf/profiles/76561198083134207#!/compare/1583020800/1583107200

https://backpack.tf/profiles/76561198104837936#!/compare/1582934400/1583107200

50 keys

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Sales

42

somewhere around 47 (sunbeams gatsby)

somewhere around 48 (demoman fro + scatter) - i only found one 13 key sale on the demoman fro

50

59

59 looks out of place, and buyouts were all lower during this time

Going with 42-50 keys