Guernsey - Alderney 1965 Europa overprint,on Aircraft imperf m/sheet unmounted mint, Rosen CSA 51
Guernsey - Alderney 1965 Europa overprint,on Aircraft imperf m/sheet unmounted mint, Rosen CSA 51
Guernsey - Alderney 1965 Europa overprint,on Aircraft imperf m/sheet unmounted mint, Rosen CSA 51