Oldenburg, Grand Duchy. A House and Merit Order of Peter Friedrich Ludwig, Officer’s Cross visually-hidden ) Graves of Calgary

) Graves of Calgary

and used as an official emblem of the modern-day comune (municipality) of Rome

reverse is numbered "C 4127"

obverse centre presenting the Crown of Zvonimir with green enameled oak leaves (laurels)

Oldenburg, Grand Duchy. A House and Merit Order of Peter Friedrich Ludwig, Officer’s Cross visually-hidden ) Graves of Calgary(Oldenburger Haus und Verdienstorden Offizierskreuz). Instituted 27 November 1838 by Grand Duke Paul Friedrich August. (1903 1920 issue). Constructed of gilded silver with multi coloured enamels, consisting of a Cross Patte, the obverse with white enameled arms, overlaid by a central blue enameled medallion bearing a raised and gilded monogram of Grand Duke Peter Friedrich Ludwig, situated within a red enameled ring bearing a gilt inscription of EIN