Colombia
1986 Airmail – “Coffee and Cycling, Pride of Colombia”
1986 Airmail – “Coffee and Cycling, Pride of Colombia”
1986 Airmail – The 100th Anniversary of the Birth of Alfonso Lopez Pumarejo, 1886-1959
1986 Airmail – The 100th Anniversary of the Birth of Alfonso Lopez Pumarejo, 1886-1959
1985 Airmail – The 50th Anniversary of Almirante Padilla Naval College
1985 Airmail – The 50th Anniversary of Almirante Padilla Naval College