Great Britain 1969 First Flight of Concorde 4d positional block of 6 showing 'Oil Slick' flaw unmounted mint, SG 748var
Great Britain 1969 First Flight of Concorde 4d positional block of 6 showing 'Oil Slick' flaw unmounted mint, SG 748var
Great Britain 1969 First Flight of Concorde 4d positional block of 6 showing 'Oil Slick' flaw unmounted mint, SG 748var