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