Dieter Bortfeldt
Colombia - pre-philately, postage stamps and airmail

Expert since: 1994 ·  AIEP member since: 2002
Royal Philatelic Society, London; Royal Philatelic Society of Canada; American Philatelic Society; AFE (Ecuador); CLUFIME, COPAPHIL

Correspondence: German, English, Spanish, (Portuguese, French, Catalan)

c/o Deprisa, Box 46
33122 Miami

Personal reference collections: Colombia
Personal forgeries collections: Colombia, Sovereign States, Departments