X-ray fluorescence (XRF) analysis is a nondestructive, straightforward and fast method to determine the elemental composition of ancient coins. However, the features in coins may require analysis with a much smaller spot size in addition to traditional bulk XRF techniques. This study shows the capability of Zetium to map the elemental distribution on a selected area of a coin.

Studying the elemental components of archeological coins can help archeologists shed light on their origin by identification of the ore deposit from which they were derived. This is because the compositions of ores in a particular area are often unique. The analysis of coins can also help determine the trade and political relationships of a region during the period. 

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