Greece High Value Collection (Postmarks cancelled , New territories , Hermes Heads, Olympic Games , Printings errors, Airpost issue ) Very interesting Postmarks cancelled and Difficult postmarks cancelled : Syros , Xalkis , Nafplio, Limnos, Korinthos, Patra, Xios , Amalias, Poligiros , Tripolis, Mesologgi , Livadia , Pyrgos, Larissa , Xania, Ydra , Lamia , Ioannina , Kalamata , corfu , Grevena , Argostolion , Kavala , Sparti , Moudros Limnou , Polygiros, Rhodes , Samos , Karditsa, Korytsa Printings errors , Airpost issue , classical stamps New Territories: Aegean Islands , North Epirus , Crete , Thrace , Limnos Value cat: More than 4500 euros (Hermes 2026)