25th Anniversary of the Public Utilities Board First Day Cover
100 Years of Telephone Service Commemorative Stamps
Aviation Series First Day Cover
Centenary of Post Office Savings Bank First Day Cover
Commonwealth Heads of Government Meeting 1971 Official First Day Cover
Ports & Harbours Series 9th IAPH Conference Singapore
Prosperity Through Quality and Reliability First Day Cover
Science and Industry First Day Cover
Singapore Mass Rapid Transit System First Day Cover
Singapore National Monuments Special Stamps
Singapore Science Centre Special Stamp Issue First Day Cover
Sports Series Commemorative Stamp Issue
