EVENT RESUGGESTION!

Done by: Team 3 - SubZero

Sale 1:

https://backpack.tf/item/199346097

Untraceable

https://backpack.tf/profiles/76561198305494036#!/compare/1593302400/1593475200

https://backpack.tf/profiles/76561198108621140#!/compare/1592092800/1593561600

Sale 2:

https://backpack.tf/item/199346097

Untraceable

https://backpack.tf/profiles/76561198305494036#!/compare/1593216000/1593302400

https://backpack.tf/profiles/76561198160856661#!/compare/1593302400/1593388800

Sale 3:

https://backpack.tf/item/199346097

Untraceable

https://backpack.tf/profiles/76561198147857818#!/compare/1592524800/1593475200

https://backpack.tf/profiles/76561198160856661#!/compare/1592956800/1593216000

Sale 4:

https://backpack.tf/item/1966274001

Untraceable

https://backpack.tf/profiles/76561197996318458#!/compare/1590537600/1593302400

https://backpack.tf/profiles/76561197962289852#!/compare/1589500800/1591401600

Sale 5:

https://backpack.tf/item/1966274001

Untraceable

https://backpack.tf/profiles/76561198360353776#!/compare/1589328000/1589587200

https://backpack.tf/profiles/76561197996318458#!/compare/1588809600/1590537600

Sale 6:

https://backpack.tf/item/1966274001

Looks to have sold for 31 Keys + 13 Ref

Taking 31 Keys

https://backpack.tf/profiles/76561198124241068#!/compare/1588550400/1588723200

https://backpack.tf/profiles/76561198360353776#!/compare/1588636800/1588723200

Sale 7:

https://backpack.tf/item/455450231

Untraceable

https://backpack.tf/profiles/76561198871163068#!/compare/1594080000/1594252800

https://backpack.tf/profiles/76561198080909224#!/compare/1594080000/1594166400

Sale 8:

https://backpack.tf/item/1966274001

Untraceable

https://backpack.tf/profiles/76561198122274653#!/compare/1588464000/1588723200

https://backpack.tf/profiles/76561198124241068#!/compare/1588464000/1588636800

Marketplace Sale

https://backpack.tf/item/19934609

Sale 9:

Sold on May 14th for $71, Keys were $1.90 (37.37 Keys)

Taking 37 Keys (Rounding down)

Sale 10:

Sold on Jun 13th for $69.99, Keys were $2.00 (34.99 Keys)

Taking 35 Keys (Rounding up)

Sale 11:

Sold on Jun 4th for $50, Keys were $1.97 (25.38 Keys)

Taking 25 Keys (Rounding down)

Additional by Shuffle:

https://backpack.tf/profiles/76561198360353776#!/compare/1589587200/1590364800 - Sale 5 was 29 Keys

https://backpack.tf/profiles/76561198068732040#!/compare/1593993600/1594080000 - Sold for 29 Keys + ~1 Key of Refined

https://backpack.tf/profiles/76561198071465778#!/compare/1593993600/1594080000 - Sold for 29 Keys + <0.5 Keys of Refined

https://backpack.tf/profiles/76561198080179568#!/compare/1589760000/1589846400 - Sold for 36 Keys

https://marketplace.tf/items/tf2/183;5;u8 - Sold for $65 when Keys were $1.82 each (36 Keys)

https://backpack.tf/item/199346097 - History of the 35 Key Marketplace sale

https://backpack.tf/item/181717874 - Think this is the history of the 37 Key Marketplace sale

https://imgur.com/a/Tywxg5A - If so, the 37 Key sale is capped by the buyout of 36 Keys

31 - 36 will work here.

Classies: https://i.imgur.com/3tMAM7O.png. Going 31-36.