King Alfonso XIII with overprint "República Española".
King Alfonso XIII with overprint "República Española".
King Alfonso XIII with overprint "República Española".
III Panamerican Post-congress in Madrid.
III Panamerican Post-congress in Madrid.
III Panamerican Post-congress in Madrid. Air Mail.
III Panamerican Post-congress in Madrid. Air Mail.
III Panamerican Post-congress in Madrid. Air Mail.
III Panamerican Post-congress in Madrid with overprint "Oficial".
III Panamerican Post-congress in Madrid with overprint "Oficial".
III Panamerican Post-congress in Madrid with overprint "Oficial".
III Panamerican Post-congress in Madrid with overprint "Oficial".
III Panamerican Post-congress in Madrid with overprint "Oficial".
300 death anniversary of Lope Félix de Vega Carpio.
300 death anniversary of Lope Félix de Vega Carpio.
300 death anniversary of Lope Félix de Vega Carpio.
300 death anniversary of Lope Félix de Vega Carpio.
40 years of the Press Asociation of Madrid.
40 years of the Press Asociation of Madrid. Air mail.