Career
Rapkin was well known for his collection of classic German postage stamps and postal history, including German colonies and German post offices in other countries. Leon Rapkin served on the boards of various international philatelic exhibitions held in England between 1980 and 1990. He served the Royal Philatelic Society London as council member and vice president, the Germany and Colonies Philatelic Society as chairman and president, and, the British Philatelic Federation, also as chairman and president
He also served as the Keeper of the Roll of Distinguished Philatelists.
