Details
cover --, a single with violet crayon line on 1900 (27 May) unoverprinted 5pf. stationery card (vertical crease) to Germany, both cancelled by "TSINGTAU/KIAUTSCHOU" c.d.s.; a single with blue crayon line tied by "KAIS. DEUTSCHE/MARINE/SCHIFFSPOST/NO. 46" c.d.s. on 1900 (13 June) picture postcard to Germany