997835 Beautiful German butterflies (coloured engraving) by German School, (19th century); Private Collection; (add.info.: From ?Bilderbuch f羹r Kinder? (Picture Book for Children) 1790-1830, published by Friedrich Justin Bertuch (1747-1822) Sch繹ne deutsche Schmetterlinge Der Pappelfalter, der Kresswei?ling, der Zitronenfalter, der C-Falter, der Nesselfalter, Schmetterlinge, Insekten Papilio nymphalis populi, Papilio danaus cardamines, Papilio danaus rhamni, Papilio nymphalis c. album, Papilio nymphalis urticae); 穢 Purix Verlag Volker Christen.