This picture shows a cast of the skin texture of a Triceratops horridus dinosaur. The fossil was found in the Hell Creek Formation of Harding County, South Dakota USA. This animal existed in the late Cretaceous Period.
Fossil cast was on display at Children's Museum of Indianapolis Dinosphere exhibit as of July 2015. The museum was founded in 1925 and consists of an approximate 44,000 square meter facility on a 29 acre area site. Their natural science collection contains more than 10,000 items. Some of the items in the collection are the dinosaur Dracorex hogwartsia, fossil of teenage T.rex, Christensen Mastodon, 3.5-4 billion year old Acasta Gneiss, and the Geisler geological collection. Learn more at this link.