Source: UNESCO World Heritage
Postcard 1A - ITALY - PalmanovaAerial View of fortress town of Palmanova. Thanks to Christina of Italy.
Postcard 1B - ITALY - BergamoUpper Town of Bergamo. Thanks to Jean-Pierre of France for mailing from Bergamo in August 2016.
Postcard 2 - CROATIA - ZadarChurch of Saint Donat from 9th Century, Zadar, Croatia. Thanks to Antonella of Croatia.
Postcard 3A - MONTENEGRO - KotorKotor. Postmarked October 17, 2011 and arrived in Penang on October 29, 2011. Thanks to Ruth of USA.
Postcard 3B - MONTENEGRO - KotorKotor of Montenegro. Postmarked October 7, 2011 and arrived in Penang on October 21, 2011. Thanks to Luk of Belgium who was visiting Montenegro.
Postcard 3C - MONTENEGRO - KotorKotor is a twenty centuries old and is a UNESCO World Heritage city. Nice stamps of Crna Gora - Montenegro used. Thanks to Michael of South Africa.
Postcard 3D - MONTENEGRO - KotorNice postcard of Kotor, Crna Gora - Montenegro. Postmarked at Niksic on Jan 4, 2010 and arrived in Penang on Jan 19, 2010. Thanks to Milica of Montenegro.