This is an Reflectance Transformation Imaging (RTI) capture session carried out in the Preservation Lab by Catarina Figueirinhas and Jessica Ebert.  The object is a small square cuneiform tablet from the University of Cincinnati's Archives & Rare Books Library.  The clay tablet measures approximately 1.5" x 1.5".  The tablet has text on the obverse (front), reverse (back) and right edge side.  

Find out more about RTI by visiting Cultural Heritage Imaging's website: http://culturalheritageimaging.org/Technologies/RTI/
Or the Preservation Lab's blog: http://blog.thepreservationlab.org/2017/04/fun-with-photodoc-rti-edition-5/