GREAT BRITAIN 1963 (MNH) NATIONAL NATURE WEEK ORDINARY CYLINDER BLOCKS
National Nature Week ordinary cylinder blocks x 6 (4 items): 3d (1A–3B–1C–1D and 1A.–3B.–1C.–1D.), 4½d (1A–1B–1C–1D–2E and 1A–1B–1C–1D–3E). Fresh and fine. Mint never hinged. SG637-638; SC393-394
