



First day commemorative issue folder, 23 March 1984, set of four stamps celebrating the centenary of the Naval and Oceanographic Museum in Brazil. Stamps designed by Alvaro Martins, featuring steam warship Don Alfonso and prow
First day commemorative issue folder, 23 March 1984, set of four stamps celebrating the centenary of the Naval and Oceanographic Museum in Brazil. Stamps designed by Alvaro Martins, featuring steam warship Don Alfonso and prow