cover 1900 (14 Mar.) China 1c. stationery card (discoloured) to Germany ("Maus" correspondence) cancelled by oval "KIAOCHOW" d.s., in combination with 1898 steep overprint 5pf. tied by "TSINGTAU/KIAUTSCHOU" c.d.s. and arrival d.s.; also two pieces bearing 1898 steep overprint 10pf. in combination with China 4c. and 10c. respectively and similarly cancelled