A nummus fraction, which was a smaller and lower denomination coin than the nummus. It was made around AD 330-335 in Constantinople (now Istanbul), modern Turkey, and issued by Constantine I.
This coin has the Genius Populi Romani (Spirit of the Roman People) on one side and a wreath around a star on the reverse, with the mint mark under the star. This coin was a special issue minted for the dedication of the city of Constantinople.
This object is on display at RAMM in the Making History gallery.