Sketch of a part of a pictorial account of temple rituals from the 13th Century Meso-American Codex Borgia.
Painted on both sides on deerskin.
Codex is in the Vatican City at the Biblioteca Apostolica Vaticana.
Sketching from p176, Masterpieces of Illumination, Ingo F. Walther, Norbert Wolf
Pencil: Faber Castell Pitt Graphite Pure 2900 6B