ship mail including 3 volumes of The Paquebot Marks by Edwin Drechsel, The Maritime Marks of South Africa including Supplement, Ångbåtspost by Donald Macfie, Albatrossposten 1915-1918 by Börje Wallberg, Billig's Philatelic Handbook Volume 26 by Fritz Billig, 'De Stempelrubriek' uit de "Philatelist" 1927-1939 en NMP 1922-1939 by the Nederlandse Bond van Filatelisten-Verenigingen etc. in small box