Great Britain 1971 Machin multi-value coil (2p,1/2p,1/2p,1p,1p) with constant variety 'horiz white line behind hair on 1st 1/2p' (ex G1 coil roll 5) unmounted mint
Great Britain 1971 Machin multi-value coil (2p,1/2p,1/2p,1p,1p) with constant variety 'horiz white line behind hair on 1st 1/2p' (ex G1 coil roll 5) unmounted mint