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A steatite seal from Mohenjo-Daro, a primary site of the Indus Valley Civilization. These seals are noted for their intricate carvings and the still-undeciphered Indus script.

A fragment of pottery from the Harappan period, featuring painted symbols that are part of the Indus script.

A replica of the famous Dholavira Signboard, one of the longest known inscriptions of the Indus script.

A clay tablet inscribed with Sumerian cuneiform, one of the earliest systems of writing.

A ceremonial vessel believed to be a ritual libation bottle from the Southern Arc Geometric Tradition. The intricate patterns are thought to be more than decoration, possibly representing a form of proto-writing or astronomical mapping.

A memorial stone from the Viking Age, inscribed with runes from the Younger Futhark alphabet.

A wooden tablet from Rapa Nui (Easter Island) inscribed with Rongorongo, a system of glyphs discovered in the 19th century. It is also undeciphered.

A fictional artifact created for demonstration purposes. This circular stone features a unique set of glyphs not found in any known database.

A stone tablet found near the ruins of the Library of Alexandria.

A gold figurine from the Tairona civilization.

Fragment of a Mayan limestone stela with glyphs.

A pottery shard used for writing or sketching, this one with hieroglyphs.

A Roman coin with the profile of an emperor and a Latin inscription.

A piece of an ox scapula used for pyromancy during the Shang dynasty.

A clay tablet inscribed with Linear B, an early form of Greek.

An inscription from a Byzantine church mosaic.

A stone with an inscription in Ogham, an early medieval alphabet.

A clay cone with a cuneiform inscription, placed in the foundations of buildings.

A fragment of a quipu, a system of knotted cords used by the Incas.

A leaf from a medieval manuscript written in Gothic script.

A stone tablet or chalice with unknown etchings. Its purpose is not yet understood.