Requested and Credited to D-maV, PS6 Maffaaa, and Shego for the help! This is my first time converting and calculating this. I'm open to feedback! :D

Sale 1)

Item History: https://backpack.tf/item/3443964214

Seller: https://backpack.tf/profiles/76561198109141608#!/compare/1681171200/1681344000

Seller Confirmation: https://gyazo.com/d52114f546d35d804b5251cfed45418d

Sale Transaction in 920,000 Korean Won: https://gyazo.com/17953c1e38484cc3ac5dae8a767e63e9

390 keys in Korean Won cash

Conversions Utilizing Price Suggestions of key to ref

https://backpack.tf/suggestion/642339e4df681b37cd07a143 Keys at 87.16 ref

https://backpack.tf/suggestion/642723e9a147cba0840301df - Ref at $0.02

1 Won to 0.00075 USD

https://www.google.com/search?q=korean+won+to+usd&rlz=1C1CHBF_enUS924US924&oq=korea&aqs=chrome.0.69i59j69i57j0i20i131i263i433i512j46i340i433i512l2j0i433i512j0i131i433i457i512j0i402i512l2j46i199i433i465i512.1471j1j7&sourceid=chrome&ie=UTF-8

1 USD is 1342.25 won

https://www.google.com/search?q=1+usd+to+korean+won&rlz=1C1CHBF_enUS924US924&sxsrf=APwXEdcQzi66ksXIRGVHII-X5Ns7XI8Mpw%3A1684264283682&ei=W9VjZMqhKca4qtsPnP-UqAk&ved=0ahUKEwiKu9iyxfr-AhVGnGoFHZw_BZUQ4dUDCBA&uact=5&oq=1+usd+to+korean+won&gs_lcp=Cgxnd3Mtd2l6LXNlcnAQAzIHCAAQigUQQzIGCAAQBxAeMgYIABAHEB4yBAgAEB4yBggAEAgQHjIGCAAQCBAeMgYIABAIEB4yBggAEAgQHjIGCAAQCBAeMgYIABAIEB46CggAEEcQ1gQQsAM6CggAEIoFELADEEM6CAgAEAgQBxAeOggIABCKBRCRAjoGCAAQFhAeOggIABAWEB4QCjoICAAQigUQhgM6CAghEKABEMMESgQIQRgAUFhY_jNgzjVoAXABeACAAbIBiAG5CJIBAzguM5gBAKABAaABAsgBCsABAQ&sclient=gws-wiz-serp&bshm=nce/1

920,000/1342.25 = $685.41

Dividing total currency to ref equation of $0.02

$685.41/$0.02=34270.5

https://backpack.tf/suggestion/642723e9a147cba0840301df - Ref at $0.02

Calculation: https://www.google.com/search?q=705.32%2F0.02&rlz=1C1CHBF_enUS924US924&oq=705.32%2F0.02&aqs=chrome..69i57j6.3232j0j7&sourceid=chrome&ie=UTF-8

Then dividing by key rate of 87.16 ref

https://backpack.tf/suggestion/642339e4df681b37cd07a143 Keys at 87.16 ref

34270.5/87.16 = 393.19 keys = ~ 400 keys

I am rounding to 390 keys flat.

Calculation: https://www.google.com/search?q=34270.5%2F87.16&rlz=1C1CHBF_enUS924US924&sourceid=chrome&ie=UTF-8&bshm=nce/1

Sale 2)

PS6 maffaaa:

Recently bought from D-maV for 400 keys

Trade history: https://imgur.com/a/UsnQGjR

Screenshot of item history: https://imgur.com/a/hd2wTC0

Item history as link: https://backpack.tf/item/13006204406

https://backpack.tf/profiles/76561198094964657#!/compare/1683072000/1683590400

D-maV:

Funnily enough i just sold mine for 400 too

400 Keys

Going with a range of 390 - 400 keys or an average of 395 keys flat

Feedback is welcome once again! Thanks!