The phrase "ancient example of a" is correct and usable in written English.
It can be used when referring to a historical instance or case that serves as a model or reference point for something.
Example: "The ancient example of a Roman aqueduct showcases the engineering prowess of that era."
Alternatives: "historical instance of a" or "old illustration of a".
An obscure branch of the Faust legend furnishes an ancient example of unintended consequences flowing from a bargain with the Devil, in this case being tempted to print paper money notionally backed by gold that had not even been mined.
It's here that Betsy gets her hands on what at first appears to be an ancient example of rock art, dating back to Neolithic times.
Their extinction is thought to have happened some 40,000 years ago, with one theory maintaining that humans wiped out Neanderthals in an ancient example of genocide.
An ancient example of adobe architecture exists at Taos Pueblo, a Native American settlement on the edge of Taos, in the north of the state.
The most ancient example of Early Hebrew writing is that of the Gezer Calendar of the period of Saul or David (i.e., c. 1000 bce).
An ancient examples of democracy, Lord Krishna, who played a very important role in the contemporary geopolitics and orchestrated Mahabharata war.
Evidence unearthed by a team led by Patrick McGovern, of the University of Pennsylvania Museum of Archaeology and Anthropology, provides the most detailed answer so far.Dr McGovern is known as the Indiana Jones of ancient alcoholic drinks, as a result of his pioneering use of molecular archaeology to uncover ancient examples of beer and wine.
Ancient examples of graffiti, consisting of etched crosses and dates, also survives inside; such "curious carvings" are also common in Sussex.
Several ancient examples of this type of run-off farming are described from the American Indians, Tunisia, and Israel.
Farmland is a more ancient example: the fertility of soil can be increased by prudent cultivation.
