GREAT BRITAIN 1962 (MNH) NATIONAL PRODUCTIVITY YEAR ORDINARY CYLINDER PAIRS
National Productivity Year ordinary traffic light/cylinder pairs (3 items): 2½d (1D.–1B.), 3d (2C.–2B.), 1s3d (3C.–3B.–3E.). Fresh and fine. Mint never hinged. SG631-633; SC387-389
