The oldest swords ever found date back thousands of years, and their specific age can vary depending on the archaeological discoveries. Here are a few examples of ancient swords that are considered among the oldest:

1. Arslantepe Sword: The Arslantepe Sword, discovered at the archaeological site of Arslantepe in eastern Turkey, is believed to be one of the oldest swords in the world. Dating back to around 3100 BCE, this sword is made of arsenical copper and features a flat, triangular blade with a handle in the shape of an animal.
2. Khopesh: The khopesh is an ancient Egyptian sword with a curved blade that originated around 2500 BCE during the Early Dynastic Period. It was used by warriors and pharaohs in battle and is characterized by its distinct shape resembling the letter "J" or a bird's beak.
3. Naue II Sword: The Naue II Sword, also known as the Bronze Age Sword, was a type of sword used during the Bronze Age in Europe, dating back to around 1600 BCE. These swords were made of bronze and featured a long, narrow blade with a midrib for added strength.
4. Bronze Age Swords of the Mediterranean: Numerous bronze swords dating back to the Bronze Age have been discovered throughout the Mediterranean region, including in areas such as Greece, Cyprus, and the Near East. These swords date back to various periods, ranging from around 1700 BCE to 1200 BCE.

It is important to note that the discovery of ancient swords is an ongoing process, and new archaeological finds can continually provide insight into the earliest swords in human history. The age and origins of ancient swords are subject to further research and discovery as our understanding of ancient civilizations continues to evolve.