Coat of arms of the city of Chartres. Gules with three silver bezants, each charged with an inscription in sable struck to the right of a Middle Ages denier of the Bleso-Chartres type; on the chief azure charged with three fleur-de-lis or.
Reverse lettering
SERVANTI CIVEM QUERNA CORONA DATUR (Translation: A CROWN IS GIVEN TO SERVING A CITIZEN)