Schwab writes:The exterior bears above one of the two southern gates the relief of the patron saint of the church, St. Martin on horseback sharing his cloak with the beggar, and a number of 16th-century tombstones whose characters are increasingly weathered. They are the last remains of the churchyard, which once surrounded the church.Info:- When the gravestones disappeared is unclear. During the reconstruction of the city center (1996-1998), graves were uncovered in the immediate vicinity of the Martini Church.