German army postal service: 3 volumes Kannapin: the German fieldpost summary 1939-1945 complete index the fieldpost numbers in numerical Would follow and whose breakdown. Tooled to the in the federal archive military archive verwahrten documents of the army field postmaster 1. Numbers 0001 - 20308, 2. Numbers 20309 - 41991, 3. Numbers 41992 - 87919, good used condition, rarely offered.