Comoro Islands 1978 Coronation 25th Anniversary (1st issue) 500f perf m/sheet unmounted mint, Mi BL 139A
Comoro Islands 1978 Coronation 25th Anniversary (1st issue) 500f perf m/sheet unmounted mint, Mi BL 139A
Comoro Islands 1978 Coronation 25th Anniversary (1st issue) 500f perf m/sheet unmounted mint, Mi BL 139A