Geoffrey Flack
The Nepal and Tibet Philatelic Study Circle
vice-president
Geoffrey Flack is a leading expert on the postal history of Tibet. A professional stamp dealer specializing in Asian stamps and postal history, he has collected and worked with Tibetan stamps for more than 45 years. He has written numerous articles on the stamps and postal history of Tibet and has published seven books on subjects related to Tibetan Philately, including plating studies, postal markings, and Tibetan seals.