If a user purchases your item on the secondary market using their Account Balance, the proceeds from the sale (net of fees) will be reflected in USD in your NGS account balance.
If a user purchases your item on the secondary market using their Account Balance or a Credit / Debit Card, the net proceeds from that sale will be reflected in your Account Balance.
Your Account Balance can be found within your payment method settings here https://niftygateway.com/account/payment-methods
You can withdraw your Account Balance to either your Stripe Account or Gemini Account. When cashing out with Stripe, your proceeds will be deposited in the currency of your authorized selling country.