OTYIMBINGUE, 25 Pfennig yellow-orange and 5 Pfennig green added to 10 Pfennig postal stationery envelope, forerunner letter with three neat perfect 9.12.91 strikes, correctly rated registered letter to Mainz via Cape Town and London, red cross-lines on front, red REGISTERED LONDON and delivery handstamp on reverse, also faint red REGISTERED CAPE TOWN, two lower perforations shortened on 5 Pfennig, otherwise perfect condition, unsigned