Sale:

https://backpack.tf/item/14837087279 - Item

https://imgur.com/a/7KDPTmM - 370$ USD

https://imgur.com/a/fS6A3LF - Paypal

https://imgur.com/a/MlLmkUF - Item traded

https://imgur.com/a/TuQYkOd - USD to AUD on 10/17 - 1$ USD = 1.54$ AUD/ 370 = 569.8

Key sales:

https://backpack.tf/trust/76561198109986831

https://forums.backpack.tf/topic/87454-buying-keys-via-paypal-167-per-key/

340 @1.67

https://backpack.tf/trust/76561198032176942

https://forums.backpack.tf/topic/68510-buying-keys-for-166-backpacks-via-paypal-800-trust-ratings%E2%9C%85/

174 @1.66

https://backpack.tf/trust/76561198031258757

https://forums.backpack.tf/topic/76871-buying-keys-158-each-buying-backpacks-ref-tools-all-items-paypal-250-trust/

1000 @1.58

https://backpack.tf/trust/76561198086011812

https://forums.backpack.tf/topic/80966-buying-keys-168-usd-via-paypal-170-for-2000-keys-45-trust/

4257 @1.68

1.67+1.66+1.58+1.68 = $1.647

Keys @ 1.647

370$/1.647 = 224

I should also mention the trade dates are slightly far apart since the seller had a trade hold from switching their steam guard

Thanks JayTuut for helping! If there are any issues here please let me know and ill fix it