Viking Heritage February 09, 2018 1973 1974 1978 aerogramme europa Isle of Man maxicard ofdc Viking +
Lascaux July 26, 2016 1968 2015 Bosnia and Herzegovina cachet cancel France maxicard ofdc postal stationery rock art unesco +
Lepenski Vir May 09, 2014 1974 1984 2003 europa maxicard rock art selvage Serbia and Montenegro Yugoslavia +
Cucuteni-Trypillian Culture January 28, 2013 2014 2015 2018 ceramic europa joint issue maxicard metal Moldova museum Neolithic postal stationery postcard postcrossing Romania selvage Ukraine +
Hadrian's Wall October 01, 2012 1986 1993 2005 2009 aerogramme Australia booklet bronze Great Britain Italy joint issue maxicard PHQ postcrossing unesco +