Mesa Verde October 17, 2011 1977 1980 1984 ArtCraft cancel ceramic lithic ofdc postcard postcrossing Sarzin unesco USA +
L'Anse Aux Meadows October 17, 2011 1996 2000 2017 Canada cancel ofdc postal stationery unesco Viking +
King Tut November 14, 2010 1972 1992 1993 2002 cachet cancel Egypt gold Great Britain museum postcard wood +