Holy Roman Empire Nijmegen 1 Thaler (1555) Carolus V. (1519 - 1556) . Av .: CARLOLVS V ROMANO IMPE SEMPER AVGVS half-length portrait from Emperor Charles V with scepter to the right. Rev .: INSIGNIA VRBIS IMPERIALIS NOVIMAGE double alder with city sign. Silver. Dav: 8543; Delm: 633