Baseballin'

https://backpack.tf/item/244811623

Sale 1) Sold for $24.54 when Keys were ~$1.64 each

https://marketplace.tf/items/106;5;u7

https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key - 12/13

24.54 / 1.64 = 14.96, which rounds to 15 Keys

https://backpack.tf/item/5742877538

Sale 2) Sold for $24.54 when Keys were ~$1.68 each

https://marketplace.tf/items/106;5;u7

https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key - 12/8

24.54 / 1.68 = 14.61, which rounds to 15 Keys

Sale 3) Bulk sale

https://backpack.tf/profiles/76561198840748471#!/compare/1544140800/1544227200

https://backpack.tf/profiles/76561197995147809#!/compare/1544140800/1544227200

Sale 4) Sold to a buy order for 12 Keys

https://backpack.tf/profiles/76561197995147809#!/compare/1544313600/1544486400

https://backpack.tf/item/6717714659

Sale 5) ?

https://backpack.tf/profiles/76561198196947639#!/compare/1541203200/1541376000

https://backpack.tf/profiles/76561198030445600#!/compare/1541116800/1541203200

Sale 6) Sold for ? Keys

https://backpack.tf/profiles/76561198030445600#!/compare/1541635200/1541894400

https://marketplace.tf/items/106;5;u7 - Sold for $24.55 when Keys were ~$1.79 each

https://marketplace.tf/items/5021;6/Mann%20Co.%20Supply%20Crate%20Key

24.55 / 1.79 = 13.7, which rounds to 14 Keys

https://imgur.com/a/VyMcdvH - 24 Day Seller at 13 Keys and a 2 Day Seller at 14 Keys

https://backpack.tf/item/5742877538

https://backpack.tf/item/6717714659