1921, 40 Pfg Postal service horseman reply postal stationery card, complete double card additional franked with 10 Pfg farewell series, 10 Pfg numeral and 10 Pfg Germania red, used from Munich 30 SEP 21 (the month in the cancel inverted inserted! ) to Passau, there unclaimed and with "unclaimed" label return to sender, attached the unused reply part