DSP German Southwest Africa CAPSTADT 18.8.7 "I", full strike without the in the year 1907 missing "0" on 10 Pfg imperial yacht with beside violet one-line cancel "P. D. Edward planks. " as well two-line cancel "German protectorate" on commercial used letter, written from I. Engineers the S. S. "Erna Woermann", to Hamburg with reverse arrival 9.9.07, superb