This Ancient Greek Gold Earring from the 4th Century BCE, adorned with turquoise and pearls, is a testament to the artistry of the era. The XRF analysis reveals a composition of 86.6% gold (Au), 10.5% silver (Ag), and 2.6% copper (Cu). This unique blend signifies a lower gold purity typical of ancient Greek jewelry, with the silver adding a distinctive sheen and the copper enhancing durability. The combination, particularly with this high silver content, is less common in ancient jewelry, reflecting the earring's artistic and cultural value. The gold purity approximates to just over 20 karats, indicating a luxurious item of significant historical importance.