ELLWANGEN small postal agency ZOEBINGEN - oval cancel, clear on three official letters, of it one together with blackish blue three circle cancel "ELLWANGEN 1 September 1863" to Dinkelsbühl / Bavaria, one in 1873 without further additional cancellation being a local letter inside of Zöbingen and one together with bridge date cancel "ELLWANGEN 14 IX 75" to Bopfingen, nice collection!