This image is of a Carolinachelys wilsoni loggerhead turtle fossil on display at Mace Brown Museum of Natural History (August 2017). They date to the Oligocene Epoch (about 11-5.3 million years ago), Paleogene Period. The fossil was found in Summerville South Carolina USA.
The Mace Brown Museum of Natural History is located at the College of Charleston, 202 Calhoun Street, 2nd Floor, Charleston, South Carolina 29424.
Learn more at their blog: http://blogs.cofc.edu/macebrownmuseum/
