I · THE OBJECT · BRITISH MUSEUM

The Double-Headed Serpent

Mexica (Aztec) · 15th–early 16th century · Spanish cedar, turquoise, shell, pine resin

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This double-headed serpent left Mexico in the sixteenth century, during the first generation of European arrival. How it was worn, and by whom, remains uncertain.

At a glance

Material: Spanish cedar with turquoise, spiny oyster shell, conch shell, pine resin
Height: 20.5 cm (8 in)
Collection: British Museum, Am1894,-.634
Origin: Mexica culture, central Mexico

Look closer

The mosaic technique
Small tesserae of turquoise — hundreds of them — have been cut and fitted onto a carved wooden form. The adhesive is pine resin. Between the turquoise pieces, white conch shell and red-orange spiny oyster shell provide contrast, marking the gums and defining the eyes. The wooden base is Spanish cedar, a timber native to Mesoamerica and used for sculpture because it resists insect damage. The mosaic surface is not perfectly smooth; individual pieces sit at slightly different heights, giving the object a textured, faceted appearance under light.
Two heads, one body
The serpent curves in an undulating S-shape, and a head emerges at each end. Both heads are identical in form: open jaws, visible fangs, circular eyes. The symmetry suggests the object was designed to be seen from either direction, or perhaps to present two aspects of the same being. In Mexica thought, the double-headed serpent appears in several contexts — as an embodiment of the sky, as an attribute of certain deities, and as a symbol worn by high-status individuals. Which meaning applied here is not recorded.
How it might have been worn
The serpent's curve and size suggest it was made to rest against the human body, probably across the chest. No fixing holes or straps survive, so the method of attachment is conjectural. It may have been sewn onto fabric or fastened to a wooden breastplate. Depictions in Mexica codices show similar serpentine forms worn by priests and rulers during ceremonies, though matching those images to surviving objects is speculative. The wear pattern on the wood and mosaic does not definitively confirm use, so the possibility that it was a votive object rather than regalia cannot be ruled out.

The story

The double-headed serpent is a mosaic sculpture from central Mexico, made sometime in the fifteenth or early sixteenth century. It consists of a wooden armature carved in the form of a sinuous, two-headed snake, onto which small pieces of turquoise, shell, and other materials have been painstakingly applied with pine resin. The result is a dense, glittering surface that catches light unevenly, the turquoise ranging from pale blue to greenish depending on the source of the stone.

The base wood is Spanish cedar, a species that grows in the tropical and subtropical forests of Mesoamerica. It was favoured for carving because it is relatively soft when fresh, durable when dry, and naturally resistant to decay and insect attack. The mosaic pieces themselves are tiny — often no larger than a few millimetres across — and their placement required considerable skill. Turquoise does not occur naturally in the Basin of Mexico; it was imported from sources far to the north, in what is now the southwestern United States, and was a luxury material reserved for elite contexts.

The serpent's two heads are identical in design. Each shows an open mouth with prominent fangs, round eyes inlaid with shell, and a row of teeth marked in white conch shell. The body undulates in a smooth curve, and the mosaic continues unbroken across the entire surface. There are no attachment points visible today, and no contemporary description survives to confirm how the object was used. The most common interpretation, based on its size and shape, is that it was worn across the chest, perhaps during ceremonies. Analogous objects appear in pictorial manuscripts from the period, shown on the bodies of priests and rulers, but linking those images to specific surviving pieces is speculative.

The serpent reached Europe in the sixteenth century, within a generation of Spanish arrival in Mexico. By the time it enters the documentary record in Europe, its original context had already been lost. It was part of a broader movement of objects out of Mexico during and after the conquest — some sent as diplomatic gifts, others taken as plunder, still others acquired through trade or tribute. Which route this particular serpent followed is not known.

The object resurfaced in the collection of Henry Christy, a British banker, ethnographer and collector, in the nineteenth century. Christy amassed a large collection of ethnographic material, including numerous items from the Americas. After his death in 1865, his collection was bequeathed to the British Museum, and the serpent entered the museum's holdings in 1894 as part of that bequest.

Why it mattered then

In the Mexica world, turquoise was not simply decorative. It was a material associated with the divine, with fire, with the sun, and with rulership. The colour itself carried meaning: the Nahuatl word for turquoise, *xiuhuitl*, also meant year, and by extension time and the calendar. Objects encrusted with turquoise mosaic were reserved for the highest ranks of society and for ceremonial use. The double-headed serpent form appears in several contexts in Mexica art and iconography. It is associated with the sky and with certain deities, including Xiuhcoatl, the fire serpent, and Tlaloc, the rain god. In some depictions, the double-headed serpent is shown as an attribute of rulers or as part of the regalia worn during specific rites. The serpent's two heads may represent duality — a concept central to Mexica cosmology, in which opposing forces (life and death, earth and sky, order and chaos) were understood as complementary rather than antagonistic. If this serpent was indeed worn, it would have transformed the wearer's appearance, marking them as a person of exceptional status and perhaps as an intermediary between human and divine realms. The labour required to produce such an object — the procurement of turquoise from distant sources, the carving of the wooden form, the cutting and setting of hundreds of mosaic pieces — represented a significant investment of resources and skill, further reinforcing the object's role as a marker of power and access.

Why it matters now

The double-headed serpent is one of a small number of Mexica mosaic objects to have survived the sixteenth century. Most were destroyed, lost, or dismantled for their materials. Those that remain are dispersed across European collections, and they are among the few tangible links to the artistic and ritual life of central Mexico before the Spanish conquest. The object also raises questions that remain unresolved. Its function is inferred rather than documented. Its maker is unknown. The circumstances of its departure from Mexico are unrecorded. These gaps are not incidental; they reflect the broader rupture caused by conquest, in which objects were separated from the contexts that gave them meaning. What survives is the physical object and the evidence it carries in its materials and construction, but the knowledge that once surrounded it — who made it, who wore it, what words were spoken when it was used — is gone. For contemporary audiences, the serpent is often encountered as an emblem of Mexica art, reproduced in books and exhibitions as an example of mosaic technique and iconographic complexity. It is admired for its craftsmanship, but that admiration can obscure the violence of its removal and the loss embedded in its survival. The object is in London because it left Mexico during a period of catastrophic upheaval, and it remains there as part of a collection built, in significant part, on colonial acquisition.

The surprising detail

The turquoise mosaic technique was not unique to the Mexica. Similar methods were used across Mesoamerica for centuries before the rise of Tenochtitlan. What is unusual is that any of these objects survived at all. Turquoise mosaic is fragile; the resin adhesive can dry out and fail, and the wooden base is vulnerable to moisture, insects, and physical damage. Most mosaic objects that reached Europe in the sixteenth century did not last. Those that did were often preserved by chance — kept in cabinets of curiosities where conditions happened to be stable, or valued enough to be maintained. The double-headed serpent survived, but many others did not, and the corpus of surviving Mexica mosaics is almost certainly a tiny fraction of what once existed.

How it got here

The serpent left Mexico in the sixteenth century, during or shortly after the Spanish conquest. The exact circumstances are not documented. It was later part of the collection of Henry Christy, a British collector, and entered the British Museum in 1894 as part of his bequest. The Mexican government has identified a number of Mexica objects in European collections, including mosaic pieces, as cultural patrimony removed during the colonial period, and has requested their return. The British Museum's position is that its collection is held in trust for the world and that objects are preserved and made accessible under current UK law, which does not permit deaccessioning from the collection except in limited circumstances.

Remember this

A turquoise serpent that crossed the Atlantic in the 1500s, its original use and maker unrecorded, its survival a matter of chance.

Test yourself

Why is it difficult to say definitively whether this serpent was worn on the body or used in another way?

Go deeper

Image: Geni, CC BY-SA 4.0. Licence: CC BY-SA 4.0. Source.

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