1798 Antique Original Copper Engraving Colored Botany Print Bertuch Helleborus Hyosciamus Handcoloured copperplate engraving from Bertuch's "Bilderbuch fur Kinder" (Picture Book for Children), Weimar, 1798. Friedrich Johann Bertuch (1747-1822) was a German publisher and man of arts most famous for his 12-volume encyclopedia for children illustrated with 1,200 engraved plates on natural history, science, costume, mythology, etc., published from 1790-1830. by Album 25 x 20,5 cm 23 x 18 cm