Humbert I, King of Italy, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Franz Joseph I, Austria, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Christian IX, King of Denmark, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Count von Moltke, Oldenburg, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

William I, Emperor of Germany, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Milan I, King of Servia, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Albert, King of Saxony, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Oscar II, King of Sweden and Norway, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Charles, King of Romania, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Prince Bismarck of Mecklenburg, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Luitpold, Regent I of Bavaria, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

George I, King of Greece, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.

Charles I, King of Wurtemberg, from the Rulers, Flags, and Coats of Arms series (N126-1) issued by W. Duke, Sons & Co.

Issued by W. Duke, Sons & Co.