Stamps Category Sellos Espa�a 1981 A 2000

30th anniversary Patent and Trademark Office
Rafael Alonso Garcia
Austria-change
Miguel Angel Sancho
Kenya-Uganda-Tanganyika-change
Miguel Angel Sancho
Poland-change
Miguel Angel Sancho
Colombia-change
Miguel Angel Sancho
Venezuela-change
Miguel Angel Sancho
Venezuela-change
Miguel Angel Sancho