Stamps Category Economy

Lalbag Fort
Miguel Rodríguez López
Fertilizer plant, Fenchuganj
Miguel Rodríguez López
Gas Plant
Miguel Rodríguez López
Sugar cane plantation 1899 10 cents
Josep Roca Martin
Bureau International du Travail.
Herman Cudris Castañeda
El Cerrejón-Guajira-Northern Zone Carboniferous Complex
Herman Cudris Castañeda
Iron and steel industry
Miguel Rodríguez López
Agriculture
Miguel Rodríguez López
Rui Barbosa
Miguel Rodríguez López
Rui Barbosa
Miguel Rodríguez López