The Double-Headed Serpent

The object is a serpent with two heads, carved from Spanish cedar and covered almost entirely in turquoise mosaic. It measures just over twenty centimetres tall, curves gently, and weighs less than you would expect because the wooden core is hollowed out. Each head has an open mouth lined with white shell teeth, and a single red shell tongue emerges from the centre, forked so that each head appears to possess it. The eyes are marked, the nostrils detailed, and the turquoise pieces are cut and fitted with care, held in place by pine resin.

The mosaic technique — small shaped pieces of stone applied to a wooden form — was used widely in the Mexica world for ceremonial objects, masks, and ornaments. Turquoise itself was valued, and the colour carried symbolic weight, though the specific associations are harder to reconstruct than is sometimes claimed. Serpents appear throughout Mexica art and cosmology, often with multiple heads or intertwined bodies, and they are linked to various deities and forces. But this object has no surviving label, no recorded findspot, and no contemporary European description that identifies it by name or function.

What is recorded is that it reached Europe early. It was probably sent or taken within a generation of contact between the Mexica world and Spanish forces in the early sixteenth century. A number of Mexica objects entered European collections in this period, sometimes as diplomatic gifts, sometimes as plunder, sometimes through trade or indirect routes that left no paper trail. By the time collectors and institutions began cataloguing such things systematically, the circumstances of acquisition were already unclear.

The hollowed base and the lack of decoration on the underside have suggested to some scholars that the serpent was worn, perhaps as a pectoral — an ornament worn on the chest. The curve would sit naturally against the body, and the heads would project symmetrically. But no attachment mechanism survives, and the hypothesis rests on the form and weight rather than on any recorded use. It might equally have been displayed flat, or held, or mounted in a way that has left no trace.

The double-headed form itself is not unique in Mexica art, but this object is among the surviving examples of the mosaic technique applied to a serpent of this size and symmetry. Turquoise mosaic was labour-intensive: each piece had to be shaped, the wooden core carefully prepared, the resin mixed and applied while workable, the tesserae pressed into place before it set. The result is a surface that catches light unevenly, the colour shifting as the viewer moves, the joins between pieces almost invisible until you look closely.