Sketch of the "imperial crown" (The Coronation of King William of Prussia to Königsberg, October 18, 1861)

Study, draft to the possession of S.M. of the Emperor and King, which is depicted in artist monographs VII. A. von Menzel (Velhagen & Klasing 1900) p. Compared to this picture, our version shows deviations in the attitude and grouping of some persons. [...] Signed at the bottom right: Menzel.

source: heinemann.gnm.de/de/kunstwerk-35098.htm; Carl von Bertrab (Bearb.): Beschreibendes Verzeichnis der Gemälde in der Sammlung Rudolf von Goldschmidt Rothschild. Frankfurt a.M. 1912.