(Heligoland) 1884 10pf postal stationery card to Zurich, Switzerland with despatch cds top right overstruck Swiss Ambulant cds, arrival cancel bottom left. With message.
(Heligoland) 1887 10pf. postal stationery card to Wien, Austria bearing despatch cds at right and arrival at left. With full message on reverse, a scarcer destination.
(Heligoland) 1890 (JY 29) 10pf. reply postal stationery card, philatelic without message, used very late just 12 days before end of validity, despatch cds top right and Lyon Rhone arrival at left. Reply section still attached unused.