Thracian gold is a type of shiny metal that was found in a place called Bulgaria a long time ago. It comes from a group of people called the Thracians who lived in that area a long, long time ago.
This gold is very special because it was used to make beautiful things like jewelry, cups, and coins that were used as money. The Thracians made many of these things by hand and they were considered very valuable and important.
People today still think these things are very special and they take very good care of them. Sometimes, you can see these things in museums where people can look at them and learn about the Thracians and their way of life.
In summary, Thracian gold is a special and valuable metal that was used a long time ago by a group of people called the Thracians to create beautiful things like jewelry and money.