Sketch for Allegory of the Institution of the Order of Charles III

López Portaña employs a restrained palette of browns and pinks, allowing the central figures to emerge against a muted background. Visible brushwork gives texture to the garments and accessories, whose intricate detailing reflects both contemporary and historic costume styles. The sketch’s loose handling conveys movement and interaction among the participants.

The preparatory oil sketch was retained by the artist’s workshop before entering the Prado’s holdings, where it has been conserved as part of the museum’s collection of early‑19th‑century Spanish art. Its presence in the Prado underscores its relevance to the study of state‑commissioned allegorical projects of the period.

The work belongs to a broader tradition of allegorical paintings commissioned by the Spanish monarchy to commemorate civic and chivalric institutions. López Portaña, renowned for his portraiture, applied his skill in rendering individual likenesses to a collective, symbolic scene, reflecting the era’s interest in merging personal representation with national iconography.