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DescriptionState FlagoftheDuchyofParma, Piacenza and Guastalla (1850-1851).svg English: State FlagoftheDuchyofParma, Piacenza and Guastalla (1850-1851)
DescriptionState FlagoftheDuchyofParma, Piacenza and Guastalla (1815-1847).svg English: State FlagoftheDuchyofParma, Piacenza and Guastalla (1815-1847)