Antique North German Confederation Letter 1869 – Hannover to Frankfurt – 1 Groschen

Antique North German Confederation folded letter sent from Hannover to Frankfurt am Main, dated 9 November 1869. The cover features a 1 Groschen Norddeutscher Postbezirk stamp, Hannover postal cancellation, handwritten address, and the original invoice / handwritten document inside. The document in