10 Pfg overprint issue on rarer Lotho arrival postmark "greeting from Cameroon, Duala people, dance of the Tuala, distinguished Duala woman "of" CAMEROON 8/11 97" to Breslau with arr. cancel 9.12.97, interesting sender detail " engineer Maat on board N.M. Peilboot Cameroon ( by the kaiserl. Court postoffice Berlin ), traces