c.1870s German 3 Kreuzer postal stationery cover Frankfurt am Main – Gießen

Original 19th‑century German postal stationery envelope with red 3 Kreuzer imprinted stamp (“DREI KREUZER POST‑COUVERT”), used from Frankfurt am Main to Gießen. The indicium is neatly cancelled by a clear circular Frankfurt a/M date stamp (22 February, 8–9 N), and the front bears a printed sender im