REHOBOTH, 5 Pfennig postal stationery card with added 5 Pfennig opal-green, commercial use to Walfischbay, two clear perfectly central 15.5.97 strikes, WINDHOEK 19.5.97 arrival, perfect condition, expertised Czimmek BPP, photo certificate Czimmek BPP (1991) and photo opinion Jäschke-Lantelme (2023) "in faultless condition"