NO, not a corn cob. I found a silver Cob while detecting a corn field this summer. I think it dates from around 16-1700's.
http://i125.photobucket.com/albums/p69/Lou-CT/MVC-025S.jpg
http://i125.photobucket.com/albums/p69/Lou-CT/MVC-023S.jpg
http://i125.photobucket.com/albums/p69/Lou-CT/MVC-025S.jpg
http://i125.photobucket.com/albums/p69/Lou-CT/MVC-023S.jpg