1851: Koppenhagen, R.
Chinese maritime customs service record
- ID: 1851
- Surname: Koppenhagen
- Forename: R.
- Nationality: German
- Date of first appointment: 01/04/1897
- Position on first appointment: Watcher
- Date withdrew: 01/06/1897
- Port on withdrawal: Canton
- Position on withdrawal: Watcher
- Mode of withdrawal: Resigned