Source: UNESCO World Heritage
Postcard 1 - Bergamo, Italy
Upper Town of Bergamo. Thanks to Jean-Pierre of France for mailing from Bergamo in August 2016.
Postcard 2 - Zadar, CroatiaChurch of Saint Donat from 9th Century, Zadar, Croatia. Thanks to Antonella of Croatia.
Postcard 3A - Kotor, MontenegroKotor. Postmarked October 17, 2011 and arrived in Penang on October 29, 2011. Thanks to Ruth of USA.
Postcard 3BKotor of Montenegro. Postmarked October 7, 2011 and arrived in Penang on October 21, 2011. Thanks to Luk of Belgium who was visiting Montenegro.
Postcard 3CKotor 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 3DNice 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.