British stamps for 1962

1961 1963

National Productivity Year

1962 (November 14 1962)
Commemorative

National Productivity Year 2.5d Stamp (1962) Units of Productivity National Productivity Year 3d Stamp (1962) National Productivity National Productivity Year 1s3d Stamp (1962) 'Unified Productivity'
Stamp Units of Productivity, 2½d
National Productivity, 3d
'Unified Productivity', 1s3d