21st June 1941
E. Höpfner

21.06.1941 K21 reverse.jpeg

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Nachnahme cover sent from stamp dealer E. Höpfner in Berlin. Including postage stamps K21 and Mi.771. Ref: 21.06.1941

E. Höpfner

Briefmarkenhandlung (stamp dealer), Schönefeld - Berlin - Grünau