I'll have to get the study and see but I like the pictures of the artifact itself. I think the authors statement that it is likely to have been made by Leonardo and his cohort to be spurious however...
Images: Oldest Globe Showing New World | LiveScience
![ostrich-egg-globe.jpg](/proxy.php?image=http%3A%2F%2Fi.livescience.com%2Fimages%2Fi%2F000%2F056%2F111%2Fi02%2Fostrich-egg-globe.jpg%3F1377197603&hash=a7144950401d359efed125fcaf81b2b1)
Images: Oldest Globe Showing New World | LiveScience