1906/14, interesting collection with 17 picture postcards of Mombassa and Zansibar with different views and motifs, all neatly used from a correspondence to Hamburg, all on self-made album sheets with inscriptions.

1895/1896, "British East Africa" Overprints on India, assortment of 31 mainly used stamps, some are signed Dr.Knopke resp. Köhler.