Cylinder seals were far more than ancient signatures. They fused art, power, and belief into objects that revealed exactly who their owners were.
The earliest form of the signature came from ancient Iraq in the form of cylinder seals.
Mesopotamians, the ancient inhabitants of the land between the Euphrates and Tigris rivers, are credited for many firsts in human history, including writing, urbanism, and the state. Among these inventions, cylinder seals are perhaps the most distinctive but least known.
Thousands of these tiny objects–often no bigger than 2 inches (5 centimeters) in height and 1 inch (2.5 cm) in diameter—are displayed in museums today. They testify to an artistic tradition in ancient Iraq and Syria that remained uninterrupted from the late fourth to the first millennia B.C.E.
In essence, a cylinder seal was a small sculpture that served a crucial utilitarian purpose: signing documents. It was generally made of a precious or semiprecious stone such as lapis lazuli, agate, or chalcedony. Images and texts were engraved into the stone with a technique called intaglio. Notably, these engravings would need to be made in reverse of how the markings would look when it was used.
How Cylinder Seals Worked
When rolled on a moist clay tablet, these engravings left low-relief markings, signifying that the object’s owner authorized the written document. In this respect, a cylinder seal’s impression is the ancestor of modern handwritten and digital signatures.
While cylinder seals were a creation of the Sumerians who inhabited southern Mesopotamia about 6,000 years ago, they rapidly spread to the rest of Western Asia and the eastern Mediterranean and became important items in everyday life.
Communities in this vast region—especially those in Mesopotamia, an area poor in raw materials–imported stones from distant lands to make their seals. Mesopotamians extracted diorite from Oman, lapis lazuli from Afghanistan, and carnelian and agate from the Indus Valley and other parts of South Asia.
Seals made of these exotic stones were extra valuable, so only the elite could afford them. Often affiliated with the state and temples, these people were typically royalty, high-level bureaucrats, and priests. In contrast, people from lower classes used seals made of less valuable materials, such as limestone, clay, or glass.
Seals as Expressions of Identity
Mesopotamians and their contemporaries in Western Asia expressed their identities not just through the material of their seals but also through the texts and images engraved on them. The seal texts often introduced the owners with their names, genealogies, gender, professions, and hometowns. Thanks to this information, researchers know that not just men but also wealthy women owned seals, albeit in much smaller proportions.
Religious identity, too, was communicated via long prayers addressed to personal gods or via images depicting gods and worshippers.
The scope of Mesopotamian imagery depicted on cylinder seals was broad. For thousands of years, seal-cutters—the artisans who exclusively specialized in making seals—carved scenes representing daily life and nature, religious rituals, warfare, architectural vistas, and mythical stories involving gods, heroes, and hybrid creatures such as winged horses and griffins.
Much of this rich imagery was a result of the owners’ personal choices, often referencing their identities. In some exceptional cases, Mesopotamian kings or their aides monitored and approved the designs of the cylinder seals they gifted to high-level officials.
Personalized Art for Elite Owners
Many seals seem to have been already carved with the popular cultural motifs before they were sold to clients, although solid archaeological and archival evidence is still needed to confirm this. When a customer bought these premade objects, they may have asked for a new inscription or some adjustments to the imagery. Most known cylinder seals were likely carved anew for elite clients, especially for those from the highest echelons of the society, such as royalty.
Cylinder seals open a wide window not just into ancient Mesopotamian art and culture but also into the minds of individual Mesopotamians. Carved with personalized images and texts reflecting their views on life and society, seals were intimately connected to their owners. Losing one’s seal was considered a very negative omen for its patron. In contrast, modern signatures are often depersonalized and generic.
Cylinder seals—along with city life, organized religion, and bureaucracy—were a key component of ancient Mesopotamian civilization. These features, in different forms and proportions, continue to define modern life today.
Adapted from an article originally published in The Conversation.
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