Facsimile of the Robe of Mah-to-toh-pa - Mandan

Catlin employed oil on a thin card support, later mounted on sturdier paperboard, resulting in a matte surface with limited modeling. The figures and decorative elements are rendered with simplified forms, broad washes of brown, red, and yellow, and a lack of chiaroscuro, reflecting the artist’s documentary intent rather than a fully realized pictorial illusion.

The painting emerged from Catlin’s fifth western expedition, undertaken after his earlier journeys in the 1830s that focused on portraiture of Plains peoples. It entered private collections in the late 19th century before being acquired by a museum dedicated to American art, where it remains part of the institution’s holdings on 19th‑century ethnographic illustration.

During the mid‑1800s, American interest in documenting Indigenous cultures grew alongside westward expansion. Catlin, originally trained as a lawyer, turned to art as a means of preserving what he perceived as vanishing traditions, producing works that combined portraiture, ethnography, and still‑life representation of cultural objects.