Signature: At lower right "I.K:|inv:|1822" in pen and black ink
Inscription: Inscribed '28', '30' and '31', as well as with the first letters of the names of the days of the week in German ('S, M, D, M, D, F, and S') in pen and black ink, by the artist. Numbered '1. to 31.' in pen and black ink, by the artist, on a narrow band of textile (silk?) mounted in the lower part of the drawing.
Verso: at centre '681' in graphite (20th-century handwriting); at lower centre, a label numbered '230' in ball point pen; at lower right, '3627|III' [?] in ball point pen; two (or three?) red wax seals.