Four posters: (1) Vlekkenwater "Opal". Prijs 25 cents, 1/2 ton 40 cents, 1/1 ton 70 cents
Col. lithogr. poster, 110.5 x 88.5 cm. Hamburg, Adolf Donner, n.d. (ca. 1875). Folded, otherwise a splendid copy for such a large, vulnerable sheet. Very rare. -and 3 other Dutch posters dating around 1880, all folded.
(total 4)