Charcoal, washed, on brown washed paper / Opaque paint on, with tracing paper covered, laid paper. 17 × 16 cm, 24,3 × 9,5 cm (6 ¾ × 6 ¼ in. and 9 ⅝ × 3 ¾ in.). Catalogue raisonné: The works (Study of a head and Frieze) will be in the forthcoming catalogue raisonné of Erwin Speckter by Henry Smith. 3 supplements: 1) Heinrich Joachim Herterich (1772-1852): Lettering „Hermine und Otto“. Pencil on laid paper, 16,7 x 28 cm. Lower right inscribed: v. Herterich. 2) Otto Speckter: Three designs for the „Erinnerungsblatt an den Schillerzug in Hamburg“. 1859, each pencil and chalk, heightened with white, on paper and at corners tucked into a cardboard (48,5 x 33,5 cm). Here at the bottom signed and dated. Braunfels 234-236 3) Otto Speckter: Six illustration sketches for stories by Klaus Groth. 1854-1856. Each pen and black ink, partially washed, on paper, firmly mounted on a cardboard (46 x 28,5 cm). Braunfels 196, 197, 207, 360-362..