The term "gold coins" refers to coins made of gold, but there are a few other ways to describe these valuable coins. One synonym for gold coins is "bullion coins," which refers specifically to coins that are minted for their metal content rather than their face value. Another synonym is "numismatic coins," which refers to coins that are collected for their historical, cultural, or aesthetic value. Some people might also use terms like "precious metal coins," "investment coins," or simply "gold pieces" to refer to gold coins. Whatever term you use, gold coins have been valued for their beauty and worth throughout human history.