Postage stamp territories - Order of the Knights of Malta

Article from the field of stamp territories focused on the history and postage service of the Order of the Knights of Malta - a sovereign non-state subject of international law based in Rome.

23. 11. 2022

Philatelic partners

POFIS - Postal philatelic service
EXPONET - Virtual international philatelic exhibition
Slovak Society of Olympic and Sports Collectors ...or philatelists for themselves
OLYMPSPORT - Czech Association for Olympic and Sport Philately
ZSF - Union of Slovak Philatelists