More drawings of marginalia for the prayer book of Maximilian I. Done in 1515 by Albrecht (Albert) Dürer, who lived in Nuremberg in what is now Germany. Copied from lithographic copies of the originals made by J. N. Strixner and published by R. Ackermann in 1817.

Page 48 (detail). Collections of and digitalized by the Wellcome Library. In the public domain. via https://archive.org/details/b30455844/page/48/mode/2up
Page 48 (detail). Collections of and digitalized by the Wellcome Library. In the public domain. via https://archive.org/details/b30455844/page/48/mode/2up
Page 50 (detail). Collections of and digitalized by the Wellcome Library. In the public domain. via https://archive.org/details/b30455844/page/50/mode/2up
Page 50 (detail). Collections of and digitalized by the Wellcome Library. In the public domain. via https://archive.org/details/b30455844/page/50/mode/2up

Artwork in ivory by Nuremberg turner Lorenz Zick (1594-1666). All illegal now of course. I think it is all right to do a post as these are all in highly regarded museums not random links. I hope you agree. All 17th century ivory.

Hollow spheres (detail). ca. 1650.
Hollow spheres (detail). ca. 1650. Photograph taken at an Exhibit in the Bode-Museum, Berlin. Cc0 Licence 1.0. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Ivory_works_-_hollow_spheres_by_Lorenz_Zick,_c._1650,_covered_cups_by_unknown_German_artist(s),_c._1620,_ivory_-_Bode-Museum_-_DSC03386.JPG

Standing cup. 17th c.
Standing cup. 17th c. Possibly by the workshop of Lorenz Zick. Collection of the Metropolitan Museum of Art, New York. In the public domain. via https://www.metmuseum.org/art/collection/search/191622

Contrefaitkugel. 17th c.
Contrefaitkugel. 17th c. Collection of the Kunsthistorisches Museum, Vienna. Image © Europeana Collections. In the public domain in the United States because the artist died over 70 years ago. via https://www.europeana.eu/portal/en/record/15502/KK_4503.html