Guernsey - Sark 1966 John F Kennedy overprint on 1s Dart Herald imperf pair unmounted mint, as Rosen CS 93
Guernsey - Sark 1966 John F Kennedy overprint on 1s Dart Herald imperf pair unmounted mint, as Rosen CS 93
Guernsey - Sark 1966 John F Kennedy overprint on 1s Dart Herald imperf pair unmounted mint, as Rosen CS 93