Republican overprinted Stamps. 1937 Burgos-Brussels (Belgium).
Republican overprinted Stamps. 1936 Ourense-Burgos.
Republican overprinted Stamps. 1937 Burgos-San Sebastián.
Republican overprinted Stamps. 1936 Burgos-Ourense.
Republican overprinted Stamps. 1937 Ourense-Berlin (Germany).
Republican overprinted Stamps. 1937 Ourense-Brussels (Belgium).
Republican overprinted Stamps. 1936 Ourense-Burgos.
Republican overprinted Stamps. 1937 Burgos-Brussels (Belgium).
Republican overprinted Stamps. 1937 Utrera (Seville)-Brussels (Belgium) via Lisbon.
Republican overprinted Stamps. 1937 Ourense-Frankfurt (Germany).
Republican overprinted Stamps. 1937 Vigo (Pontevedra)-Sutton Coldfield (Birmingham, England).