South America
1989 Easter Island Art – Issues of 1988 Surcharged
1989 Easter Island Art – Issues of 1988 Surcharged
1989 Easter Island Art – Issues of 1988 Surcharged
1989 Easter Island Art – Issues of 1988 Surcharged
1997 The 50th Anniversary of Arturo Prat Antarctic Naval Base
1997 The 50th Anniversary of Arturo Prat Antarctic Naval Base
1997 The 100th Anniversary of Frontera Region
1997 The 100th Anniversary of Frontera Region
1997 The 100th Anniversary of Frontera Region
1997 The 100th Anniversary of Frontera Region