List of Credit Cards That Charge Foreign Transaction Fee

Some credit cards are fine for use internationally, but others charge a fee (often 3%) for purchases made overseas. This is a wholly-unjustified charge whose purpose it to enrich the banks.

This is a handy list of some cards that do charge a fee:

http://www.frugaltravelguy.com/2016/09/careful-which-card-you-use-abroad-these-credit-cards-charge-a-foreign-transaction-fee.html

Obviously, if you own several credit cards and are traveling (or making online purchases from a foreign company), you will want to use the cards with no fee.