India 1962 UN Forces in Congo FDC Overprint Map Series #SP20
India 1965 APO Definitive Overprint UNEF on Nehru (FDC) Gaza #SP20b
India 1965 APO Definitive Overprint ICC on Nehru (FDC) Laos #SP20b
India 1965 APO Nehru ICC Definitive Overprint Cover (FDC) Vietnam #SP20b