Maria Luigia of Austria, Duchess of Parma, Piacenza and Guastalla, 1815-1847. Medal 1815 by Donaldi. (Bronze, 40.11 mm, 38.85 g). Empress bust right with tiara, eardrops and an elaborate chignon embelished by two strings of pearls. Rev. MARIA LUIGIA PRINC IMP ARCID D’AUSTRIA PER LA GR DI DIO DUCH DI PARMA PIAC E GUAST 1815 In the field on seven lines; at right, in the circle, DONALD’I F. Bramsen 1695; Julius 3435; TNE 67.4. Very rare.