Answers by Expert:
I can answer questions about Astrophilately i.e. all space related philately.
I am a member of the FIP Astrophilately Section and have been exhibiting at International exhibitions since 1988.
Victorian Philatelic Council, Royal Philatelic Society of Victoria, ATA-Space Unit, iNternational Asscoiation of Philatelic Exhibitors
The Asia Pacific Exhibitor, Orbit, Astrophile, American Air Mail Journal
B.Sc. (Ed.) UNSW; M.Ed. (Sydney)