Buyer living abroad

[Lee]

I have been asked to accept a MasterCard payment for some art by an American living in Greece. ???

[George]

Please be careful when selling online, especially when the buyer is outside of the United States.

Here are some best practices when selling online: https://squareup.com/help/us/en/article/5223-best-practices-for-selling-online

By following those best practices and keeping records of your Online Store sales, you'll take steps toward preventing a sale from going wrong.