This decorative element consists of a Roman cartibulum leg to which a bovine head crowned by a platform with volutes was added in the 17th century. The piece was restored in 1999.

Paradoxically, this unpublished and practically unknown piece must have been very interesting in earlier centuries, and its rare iconography inspired the fantasy of those who described it. Once restored, it was in Christina of Sweden´s collection, and later in the Odescalchi collection, where it was described as “Idolo d´un toro legato con corde, con le zampe del petto piegate indietro, che termina arabescato in una gran zampa di drago, con capitello sopra il capo, che serve di piedastallo; opera antica con tutta diligenza scolpita.” When it arrived at the La Granja Palace, it was logically included with the Egyptianizing scuptures in the "Gallery of Idols." As a result, the author of the 1789 inventory described it as "an Idol in the form of an ox with the sacrificial table over his head."

By the time it arrived in Madrid in the 19th century, its "sacred" interpretation had cooled and it was seen as a simple pilaster. The 1849-1857 inventory describes its head as "modern and of Carrara marble, with a foot of Greek marble." But even this observation was soon forgotten and Hübner insured its oblivion by not even mentioning this piece among the falsifications.