GREAT BRITAIN 1964 (MNH) FORTH ROAD BRIDGE PHOSPHOR CYLINDER BLOCKS
Opening of Forth Road Bridge phosphor cylinder blocks x 6 (4 items): 3d (1C–1B–2A and 1C.–1B.–2A.), 6d (1C–2B–2A and 1C.–2.B.–2A). Fresh and fine. Mint never hinged. SG659p-660p; SC418p-419p
